Choosing the best time for a wedding in Ottawa usually means balancing three very local realities: a long winter, a warm bright summer, and a short but appealing shoulder season. Couples often need to decide whether they want maximum daylight for outdoor photos and canal-side celebrations, or milder air and fewer tourism pressures. In Ottawa, that trade-off matters more than in many cities because temperatures swing sharply across the year.
This report uses historical weather patterns from 2016-2025, so it is best read as a planning guide rather than a promise. Alongside the climate signal, Ottawa couples should weigh Parliament Hill area traffic, summer festival demand, university calendars, guest travel from Toronto or Montreal, and the availability of indoor backup space for sudden showers or heat.
July stands out as Ottawa’s highest-ranked month in this report, with 11.76 average daily sunshine hours, 3.7 average daily precipitation hours, and an average daily maximum temperature of 26.69°C. For couples hoping to use gardens, terraces, river views or long evening photo sessions, that is a strong historical mix. The trade-off is comfort: ceremonies in direct sun can feel hot, and popular weekends around Canada Day often bring busier hotels and heavier traffic. If July is your choice, prioritise shade, cold drinks, and an indoor option for the warmest part of the day.
Historically, 19 June is the strongest individual date in this dataset for Ottawa, combining 13.49 sunshine hours with 2.3 precipitation hours and an average maximum temperature of 26.65°C. That points to a very attractive late-June balance: long daylight, summery warmth, and better comfort than some peak-heat afternoons in midsummer. For Saturday weddings in the planning years ahead, the strongest options are 04 July 2026, 19 June 2027, and 15 July 2028. These are useful signals, not guarantees, so treat them as shortlist dates rather than weather certainty.
Before you commit, check what else is happening in Ottawa that weekend. Summer festivals, Canada Day activity, and major downtown events can affect hotel pricing, road closures, and guest transport between venues. For any shortlisted date, ask venues about air conditioning, rain backup, and how easily guests can move between ceremony, portrait locations, and reception spaces.
Keep reading to view the best day to get married, hours of rain per day and average high temperature per day in Ottawa, Ontario, Canada for every month in 2026, 2027 and 2028:
Use these tips alongside the historical weather trends when choosing your date and venue.
Summer may rank highly, but Ottawa can feel hot and bright very quickly. If you are marrying from late June to August, look for shaded ceremony space, reliable air conditioning, and transport that keeps older relatives and young children out of prolonged sun.
Ceremonies or receptions near Parliament Hill, the canal, or major hotels can be affected by events, security patterns, road closures, and tourist traffic. Ask venues about access windows, parking, coach drop-off, and whether large city events regularly change guest arrival times.
Ottawa’s long summer evenings are one of its best wedding assets. In June and July, you can schedule a later ceremony and still have excellent portrait light. In October or later, reverse that thinking and protect daylight first before building the reception timeline.
For weddings from November to March, short distances matter. Choose venues with nearby accommodation or simple transfers, and avoid ambitious multi-stop plans. A compact schedule reduces stress if snow, slush, icy pavements, or slow airport arrivals affect guests on the day.
July currently ranks highest in Dropory's historical analysis for Ottawa, Ontario, Canada. Use the result alongside venue availability, guest travel and your preferred wedding style.
19 June currently has the strongest historical weather result in this report. Past patterns cannot guarantee future conditions, so keep a suitable indoor or covered option available.
Dropory compares daily sunshine, precipitation and temperature history to rank months, dates and Saturdays, then combines those signals with practical local planning guidance.
Historically in this report, yes: July ranks highest and averages 11.76 sunshine hours with a 26.69°C daily maximum. That makes it especially strong for outdoor celebrations and long photo sessions. The trade-off is heat and busier summer demand, so comfort planning matters as much as the weather ranking.
June and September are often the most practical compromises. June brings long daylight and warm conditions, while September looks especially attractive for couples who want lower average precipitation hours and gentler temperatures. The right choice depends on whether you value lush early summer energy or a calmer early autumn feel.
They can be, but they work best when the winter setting is part of the vision rather than a budget-only decision. Ottawa can look beautiful in snow, yet cold, travel disruption, and short daylight are real constraints. Winter weddings here are usually strongest when they are venue-led, local, and logistically simple.
Use these buttons to select the year you're planning your event in. Use the °F / °C buttons to choose your preferred temperature scale.
The sun shows you the median hours of sunny weather & clear skies on this day in the last 10 years
The thermometer shows you the average max temperature on this day during the last 10 years
The drop shows you the median hours of rainfall / precipitation on this day during the last 10 years
Ottawa, Ontario, Canada
Top date in January, 2027:
14 January
Top dates with the most sunshine
14 January
- 6.4 median hours of sunny weather
31 January
- 6.3 median hours of sunny weather
30 January
- 5.9 median hours of sunny weather
29 January
- 5.7 median hours of sunny weather
08 January
- 5.5 median hours of sunny weather
Top Saturdays in January 2027
30 January
- 5.9 median hours of sunny weather
23 January
- 5.1 median hours of sunny weather
16 January
- 4.4 median hours of sunny weather
02 January
- 3.9 median hours of sunny weather
09 January
- 2.1 median hours of sunny weather
Based on data from: 2016-2025
01
30 °F
5.1 h
3.5 h
02
29 °F
3.9 h
5.6 h
03
30 °F
2.9 h
6 h
04
29 °F
3.5 h
5.5 h
05
25 °F
4.1 h
4.2 h
06
24 °F
4.6 h
5.1 h
07
21 °F
4.7 h
3.4 h
08
26 °F
5.5 h
4.5 h
09
28 °F
2.1 h
5.5 h
10
31 °F
3.7 h
5.3 h
11
26 °F
5.3 h
5.5 h
12
30 °F
3.3 h
9.3 h
13
24 °F
3.6 h
7.1 h
14
21 °F
6.4 h
2.7 h
15
21 °F
5.2 h
1.4 h
16
26 °F
4.4 h
6.6 h
17
22 °F
4.4 h
5.7 h
18
24 °F
4.6 h
4.7 h
19
23 °F
2.7 h
6.3 h
20
20 °F
4.9 h
4.6 h
21
19 °F
5.3 h
3 h
22
24 °F
4.6 h
4 h
23
27 °F
5.1 h
4.9 h
24
26 °F
4 h
7.9 h
25
24 °F
5.2 h
4.4 h
26
25 °F
3.7 h
8.8 h
27
31 °F
3.6 h
4 h
28
27 °F
5 h
4.1 h
29
23 °F
5.7 h
5.6 h
30
18 °F
5.9 h
3.2 h
31
21 °F
6.3 h
2.4 h
January weddings in Ottawa are for couples who genuinely want winter atmosphere rather than merely tolerating it. Average daily maximums sit at -3.86°C, with 4.48 sunshine hours and 4.99 precipitation hours, so outdoor ceremonies are usually impractical but snowy portraits can be striking when conditions cooperate. The Rideau Canal Skateway season can add a distinctly local backdrop if open, though that should never be treated as guaranteed. Travel can be the biggest complication, especially for flying guests. If you choose January, keep venues close together, allow generous transfer times, and make coat check and warm arrival drinks part of the guest experience.
Ottawa, Ontario, Canada
Top date in February, 2027:
14 February
Top dates with the most sunshine
14 February
- 7.8 median hours of sunny weather
26 February
- 7.6 median hours of sunny weather
08 February
- 7.3 median hours of sunny weather
13 February
- 6.8 median hours of sunny weather
22 February
- 6.5 median hours of sunny weather
Top Saturdays in February 2027
13 February
- 6.8 median hours of sunny weather
27 February
- 6 median hours of sunny weather
20 February
- 5.6 median hours of sunny weather
06 February
- 5 median hours of sunny weather
Based on data from: 2016-2025
01
29 °F
6.5 h
2.7 h
02
26 °F
5 h
4.9 h
03
24 °F
3.7 h
6.6 h
04
28 °F
4 h
6.6 h
05
28 °F
5.9 h
4.4 h
06
23 °F
5 h
6.7 h
07
28 °F
2.5 h
7.1 h
08
30 °F
7.3 h
3.7 h
09
25 °F
6.1 h
5.5 h
10
28 °F
5.4 h
6.7 h
11
25 °F
5.5 h
3.7 h
12
26 °F
5.6 h
4.4 h
13
22 °F
6.8 h
5.7 h
14
21 °F
7.8 h
3.8 h
15
30 °F
5.5 h
6.3 h
16
30 °F
3.8 h
8 h
17
25 °F
6.1 h
6.2 h
18
28 °F
6.5 h
4.6 h
19
28 °F
6.1 h
4.6 h
20
29 °F
5.6 h
5.3 h
21
34 °F
5.8 h
4.1 h
22
31 °F
6.5 h
3.6 h
23
35 °F
5.1 h
5.3 h
24
31 °F
5.6 h
6.8 h
25
33 °F
2.9 h
7.7 h
26
30 °F
7.6 h
3 h
27
35 °F
6 h
4.7 h
28
34 °F
5.2 h
7 h
February suits couples who want Ottawa’s winter character with a little more light than January. Historical averages reach 5.55 sunshine hours, while the average daily maximum is still a cold -1.99°C and precipitation averages 5.35 hours. Winterlude season can add charm and city buzz, but it may also mean fuller hotels and heavier weekend demand in central areas. Outdoor portraits are possible, though comfort drops quickly once bridal parties are standing still. A February wedding works best with an elegant indoor venue, simple transport logistics, and a plan for boots, wraps, and extra time in case snow affects guest arrivals.
Ottawa, Ontario, Canada
Top date in March, 2027:
21 March
Top dates with the most sunshine
21 March
- 9.5 median hours of sunny weather
22 March
- 9.4 median hours of sunny weather
18 March
- 9.3 median hours of sunny weather
08 March
- 8.7 median hours of sunny weather
19 March
- 8.6 median hours of sunny weather
Top Saturdays in March 2027
20 March
- 8.1 median hours of sunny weather
27 March
- 7.8 median hours of sunny weather
13 March
- 6.7 median hours of sunny weather
06 March
- 6.5 median hours of sunny weather
Based on data from: 2016-2025
01
29 °F
6.7 h
4.8 h
02
31 °F
5.7 h
7.5 h
03
28 °F
7.3 h
3 h
04
28 °F
7.7 h
3.4 h
05
32 °F
6.7 h
2.3 h
06
36 °F
6.5 h
5.3 h
07
34 °F
3.6 h
8.4 h
08
36 °F
8.7 h
4.1 h
09
39 °F
7.8 h
3.2 h
10
38 °F
5 h
6 h
11
35 °F
6.7 h
5.2 h
12
37 °F
8.2 h
2.3 h
13
35 °F
6.7 h
6.8 h
14
37 °F
4.7 h
7.8 h
15
37 °F
6.8 h
4.7 h
16
39 °F
8.4 h
2.3 h
17
42 °F
7 h
4.5 h
18
37 °F
9.3 h
2.1 h
19
36 °F
8.6 h
2.8 h
20
44 °F
8.1 h
2.6 h
21
43 °F
9.5 h
4.5 h
22
39 °F
9.4 h
3.7 h
23
40 °F
7.3 h
4.3 h
24
38 °F
5.4 h
7.3 h
25
43 °F
7.5 h
4.9 h
26
42 °F
6.2 h
6.3 h
27
44 °F
7.8 h
3.4 h
28
46 °F
5.4 h
6.5 h
29
42 °F
8.5 h
4.6 h
30
43 °F
7.5 h
6.5 h
31
44 °F
3.6 h
10.7 h
March in Ottawa is a transitional month, which can be both its charm and its challenge. Average daily sunshine rises to 7.04 hours and temperatures improve to 3.25°C, but winter does not leave cleanly here. Snow, slush, wet pavements, and brown early-spring landscapes can all appear in the same week. That makes March less about polished garden scenery and more about practical value, flexible pricing, and a city wedding anchored indoors. If you are drawn to a lower-key date before the busy summer season, ask venues exactly how their entrances, parking areas, and photo spaces handle thaw conditions and unpredictable footing.
Ottawa, Ontario, Canada
Top date in April, 2027:
02 April
Top dates with the most sunshine
02 April
- 10.1 median hours of sunny weather
10 April
- 10.1 median hours of sunny weather
28 April
- 10 median hours of sunny weather
23 April
- 9.5 median hours of sunny weather
22 April
- 8.9 median hours of sunny weather
Top Saturdays in April 2027
10 April
- 10.1 median hours of sunny weather
24 April
- 8.2 median hours of sunny weather
03 April
- 7.7 median hours of sunny weather
17 April
- 7.7 median hours of sunny weather
Based on data from: 2016-2025
01
44 °F
6.4 h
5.1 h
02
43 °F
10.1 h
0.7 h
03
44 °F
7.7 h
4.6 h
04
46 °F
7.5 h
6.1 h
05
43 °F
7.8 h
5.4 h
06
48 °F
5.9 h
7.4 h
07
47 °F
6.8 h
6.6 h
08
46 °F
7.7 h
4.5 h
09
47 °F
8.5 h
4.8 h
10
52 °F
10.1 h
2 h
11
51 °F
7.1 h
4.2 h
12
53 °F
5.8 h
5.1 h
13
58 °F
8 h
4 h
14
53 °F
7.6 h
6.2 h
15
52 °F
6.7 h
7.7 h
16
52 °F
7.9 h
7.2 h
17
50 °F
7.7 h
4.3 h
18
53 °F
8.8 h
3.5 h
19
50 °F
4.2 h
9.3 h
20
52 °F
8.3 h
3.5 h
21
54 °F
7.5 h
5.2 h
22
54 °F
8.9 h
3.8 h
23
55 °F
9.5 h
2 h
24
55 °F
8.2 h
3.1 h
25
56 °F
8.5 h
7 h
26
54 °F
6 h
4 h
27
55 °F
8 h
4.1 h
28
57 °F
10 h
3.4 h
29
58 °F
8.8 h
3.2 h
30
56 °F
6.7 h
8.8 h
April brings a clearer spring signal to Ottawa, with 7.75 average sunshine hours and an average daily maximum of 10.68°C. It can be a smart month for couples who want lighter evenings and easier guest travel without jumping straight into peak summer pricing. The risk is that Ottawa’s spring still feels changeable: trees may be only just budding, winds can be brisk, and a sunny morning does not rule out a wet afternoon. Outdoor ceremonies are possible but should stay short. The most useful planning move in April is to choose a venue that feels attractive both inside and out, so the day still works if the weather turns cool.
Ottawa, Ontario, Canada
Top date in May, 2027:
12 May
Top dates with the most sunshine
12 May
- 12.7 median hours of sunny weather
31 May
- 12.5 median hours of sunny weather
11 May
- 11.8 median hours of sunny weather
27 May
- 11.8 median hours of sunny weather
21 May
- 11.6 median hours of sunny weather
Top Saturdays in May 2027
29 May
- 10.9 median hours of sunny weather
08 May
- 10.1 median hours of sunny weather
15 May
- 9.7 median hours of sunny weather
22 May
- 8.7 median hours of sunny weather
01 May
- 6.3 median hours of sunny weather
Based on data from: 2016-2025
01
53 °F
6.3 h
9.1 h
02
60 °F
7 h
5.4 h
03
59 °F
5.3 h
7.7 h
04
60 °F
7.4 h
4.1 h
05
62 °F
10.2 h
3 h
06
62 °F
9.6 h
4.1 h
07
60 °F
9.7 h
4.3 h
08
57 °F
10.1 h
4.9 h
09
57 °F
9.4 h
3.1 h
10
62 °F
9.2 h
3.2 h
11
62 °F
11.8 h
1.2 h
12
65 °F
12.7 h
1.1 h
13
66 °F
10.6 h
4.7 h
14
67 °F
10.4 h
4.2 h
15
66 °F
9.7 h
3.8 h
16
66 °F
9.6 h
2.4 h
17
65 °F
10.9 h
2.2 h
18
68 °F
11.4 h
2.4 h
19
67 °F
9.1 h
5.2 h
20
69 °F
10.2 h
3 h
21
72 °F
11.6 h
1.9 h
22
69 °F
8.7 h
4.7 h
23
70 °F
10.2 h
3.9 h
24
70 °F
11 h
2.6 h
25
70 °F
9.1 h
4.9 h
26
72 °F
8.8 h
5.3 h
27
73 °F
11.8 h
2.9 h
28
73 °F
9.5 h
4 h
29
74 °F
10.9 h
4.5 h
30
72 °F
11.5 h
3.9 h
31
71 °F
12.5 h
1.8 h
May is one of Ottawa’s most appealing wedding months for couples who want spring freshness without winter baggage. The averages are encouraging: 9.87 sunshine hours, 3.85 precipitation hours, and a daily maximum of 18.75°C. Gardens begin to look more convincing, guest comfort is generally good, and extended daylight helps with portraits before dinner. The city can feel especially lively around the Canadian Tulip Festival, which adds colour but can also increase visitor numbers around key sites. If you are considering a May wedding, confirm hotel availability early and think carefully about photo timing if you want popular outdoor locations without crowds.
Ottawa, Ontario, Canada
Top date in June, 2027:
19 June
Top dates with the most sunshine
19 June
- 13.5 median hours of sunny weather
22 June
- 12.3 median hours of sunny weather
16 June
- 11.9 median hours of sunny weather
17 June
- 11.9 median hours of sunny weather
25 June
- 11.8 median hours of sunny weather
Top Saturdays in June 2027
19 June
- 13.5 median hours of sunny weather
26 June
- 10.5 median hours of sunny weather
12 June
- 8.6 median hours of sunny weather
05 June
- 7.5 median hours of sunny weather
Based on data from: 2016-2025
01
71 °F
9.8 h
3.7 h
02
70 °F
8.7 h
4.7 h
03
69 °F
9.7 h
3.4 h
04
71 °F
11.6 h
4.1 h
05
72 °F
7.5 h
4.4 h
06
71 °F
9.8 h
4.5 h
07
72 °F
9.8 h
4.3 h
08
72 °F
10.7 h
2.8 h
09
71 °F
11.5 h
3.9 h
10
71 °F
10.2 h
5 h
11
72 °F
10.5 h
3.4 h
12
73 °F
8.6 h
3.2 h
13
70 °F
10.9 h
3.7 h
14
70 °F
9.6 h
6.6 h
15
73 °F
11.1 h
4.3 h
16
75 °F
11.9 h
2 h
17
78 °F
11.9 h
1.1 h
18
79 °F
10.3 h
5.2 h
19
80 °F
13.5 h
2.3 h
20
81 °F
11.4 h
3.5 h
21
76 °F
11.6 h
3.6 h
22
77 °F
12.3 h
1.5 h
23
76 °F
8.9 h
7.8 h
24
79 °F
10.4 h
4.4 h
25
80 °F
11.8 h
4.5 h
26
80 °F
10.5 h
5.3 h
27
77 °F
9 h
7.9 h
28
75 °F
10.5 h
6.1 h
29
77 °F
10.1 h
5.7 h
30
78 °F
9.5 h
5.3 h
June is one of the strongest all-round choices for Ottawa. It averages 10.46 sunshine hours with a comfortable 23.63°C daily maximum, and its standout historical date, 19 June, shows just how attractive late June can be. Long daylight is a real advantage here: ceremonies can start later, portraits can stretch into the evening, and outdoor cocktail hours feel easy to justify. The caution is that June is prime wedding season, so the best venues and photographers book quickly. Secure key suppliers early, and if your ceremony is outdoors, make sure shade and water are part of the setup rather than an afterthought.
Ottawa, Ontario, Canada
Top date in July, 2027:
03 July
Top dates with the most sunshine
03 July
- 13.3 median hours of sunny weather
06 July
- 13.3 median hours of sunny weather
21 July
- 13.2 median hours of sunny weather
31 July
- 13.1 median hours of sunny weather
04 July
- 13 median hours of sunny weather
Top Saturdays in July 2027
03 July
- 13.3 median hours of sunny weather
31 July
- 13.1 median hours of sunny weather
10 July
- 11.5 median hours of sunny weather
17 July
- 10.6 median hours of sunny weather
24 July
- 9.4 median hours of sunny weather
Based on data from: 2016-2025
01
81 °F
11.4 h
5 h
02
80 °F
11.7 h
4.6 h
03
79 °F
13.3 h
0.9 h
04
81 °F
13 h
1.8 h
05
83 °F
12.5 h
4 h
06
82 °F
13.3 h
1.6 h
07
80 °F
11.8 h
4.3 h
08
78 °F
10.2 h
5.4 h
09
80 °F
11.4 h
3.3 h
10
81 °F
11.5 h
5 h
11
81 °F
10.4 h
4.2 h
12
79 °F
11.9 h
3.2 h
13
81 °F
11.1 h
4.5 h
14
79 °F
11.6 h
5.7 h
15
82 °F
12.9 h
1.8 h
16
82 °F
10.3 h
5.1 h
17
82 °F
10.6 h
3.8 h
18
81 °F
11.7 h
4.8 h
19
80 °F
12.9 h
3.3 h
20
82 °F
12.7 h
3.9 h
21
80 °F
13.2 h
5.5 h
22
77 °F
10.7 h
1.9 h
23
78 °F
12.5 h
2.9 h
24
78 °F
9.4 h
6.1 h
25
80 °F
10.1 h
6.3 h
26
81 °F
11 h
2.2 h
27
80 °F
11.6 h
5.6 h
28
80 °F
12.9 h
3 h
29
79 °F
11.5 h
2.4 h
30
78 °F
12.4 h
1.3 h
31
79 °F
13.1 h
1.2 h
July is Ottawa at its brightest in this report, averaging 11.76 sunshine hours with a warm 26.69°C daily maximum and 3.7 precipitation hours. For rooftop receptions, garden venues, and waterside photos along the Ottawa River or Rideau Canal area, it is an obvious front-runner. The city’s biggest complication is demand: Canada Day celebrations, summer tourism, and festival traffic can make the central core busier than usual, especially around downtown. Heat is the second factor. A July wedding is easiest when your venue offers air conditioning, shaded outdoor space, and a realistic plan for guests who may struggle with a full afternoon in strong sun.
Ottawa, Ontario, Canada
Top date in August, 2027:
05 August
Top dates with the most sunshine
05 August
- 12.9 median hours of sunny weather
11 August
- 12.3 median hours of sunny weather
15 August
- 12.1 median hours of sunny weather
02 August
- 11.8 median hours of sunny weather
01 August
- 11.6 median hours of sunny weather
Top Saturdays in August 2027
14 August
- 10.9 median hours of sunny weather
07 August
- 9.8 median hours of sunny weather
28 August
- 9.8 median hours of sunny weather
21 August
- 7.9 median hours of sunny weather
Based on data from: 2016-2025
01
78 °F
11.6 h
4.2 h
02
79 °F
11.8 h
3.1 h
03
80 °F
11.1 h
2.8 h
04
81 °F
10.6 h
6.4 h
05
80 °F
12.9 h
2.7 h
06
79 °F
11 h
3.9 h
07
78 °F
9.8 h
5.6 h
08
78 °F
9.2 h
5.6 h
09
79 °F
10.3 h
3.5 h
10
79 °F
10.3 h
5.2 h
11
82 °F
12.3 h
2.8 h
12
80 °F
10.5 h
6.2 h
13
78 °F
11.4 h
4.5 h
14
77 °F
10.9 h
1.6 h
15
78 °F
12.1 h
1.4 h
16
78 °F
11.4 h
3 h
17
79 °F
9.6 h
6.6 h
18
77 °F
9.2 h
7.7 h
19
77 °F
9.1 h
4.6 h
20
78 °F
9.7 h
1.2 h
21
77 °F
7.9 h
7.5 h
22
75 °F
8.5 h
4.3 h
23
76 °F
10.5 h
3.8 h
24
79 °F
10.5 h
2.6 h
25
78 °F
10.6 h
3.5 h
26
75 °F
11.2 h
4 h
27
74 °F
10.1 h
1.2 h
28
77 °F
9.8 h
3.3 h
29
75 °F
7.8 h
5.9 h
30
72 °F
10.7 h
4.2 h
31
71 °F
9.7 h
3.1 h
August keeps the summery feel while softening slightly from July. Historical averages show 10.39 sunshine hours, 4.06 precipitation hours, and a 25.31°C daily maximum, so outdoor weddings are still very viable. In Ottawa, this can be a practical month for couples who want lush greenery and long evenings after the Canada Day rush has passed. Even so, it remains holiday season for many families, and some guests may be away or juggling cottage plans. The best approach is to send save-the-dates early, especially if you are inviting many out-of-town guests, and to keep an eye on long-weekend accommodation rates.
Ottawa, Ontario, Canada
Top date in September, 2027:
16 September
Top dates with the most sunshine
16 September
- 11.1 median hours of sunny weather
15 September
- 10.9 median hours of sunny weather
05 September
- 10.7 median hours of sunny weather
06 September
- 10.4 median hours of sunny weather
01 September
- 10.3 median hours of sunny weather
Top Saturdays in September 2027
04 September
- 10.1 median hours of sunny weather
11 September
- 9.5 median hours of sunny weather
18 September
- 9.3 median hours of sunny weather
25 September
- 8.7 median hours of sunny weather
Based on data from: 2016-2025
01
72 °F
10.3 h
4.1 h
02
74 °F
8.8 h
2.6 h
03
73 °F
9.8 h
3.7 h
04
74 °F
10.1 h
2.3 h
05
76 °F
10.7 h
2.8 h
06
74 °F
10.4 h
2.3 h
07
74 °F
9.3 h
4.8 h
08
68 °F
7 h
6.2 h
09
68 °F
9.5 h
2 h
10
69 °F
8.3 h
2.5 h
11
72 °F
9.5 h
2.4 h
12
72 °F
10.2 h
1.7 h
13
73 °F
10 h
2.7 h
14
71 °F
9.6 h
2.2 h
15
70 °F
10.9 h
0.9 h
16
74 °F
11.1 h
0.4 h
17
74 °F
10.1 h
1.7 h
18
71 °F
9.3 h
3.3 h
19
69 °F
8.2 h
2.5 h
20
70 °F
9.1 h
1.9 h
21
73 °F
10 h
1.4 h
22
71 °F
8.9 h
3.5 h
23
70 °F
8.1 h
5.2 h
24
67 °F
8.7 h
2.6 h
25
70 °F
8.7 h
2.7 h
26
69 °F
6 h
8 h
27
69 °F
9.1 h
3.8 h
28
67 °F
8 h
2.4 h
29
63 °F
8 h
2.1 h
30
64 °F
8.9 h
3.8 h
September is an excellent option for couples who want Ottawa weather to feel settled without midsummer intensity. It averages 9.21 sunshine hours, only 2.95 precipitation hours, and a pleasant 21.51°C daily maximum, making it the driest-looking month in this dataset. That often translates well to outdoor ceremonies, comfortable formalwear, and a more relaxed guest experience. Early autumn colour may begin to appear later in the month, though not always dramatically at first. With university and parliamentary activity picking up again, downtown can feel busier on weekdays, so weekend scheduling and room blocks are especially worth confirming in advance.
Ottawa, Ontario, Canada
Top date in October, 2027:
05 October
Top dates with the most sunshine
05 October
- 9.2 median hours of sunny weather
01 October
- 9 median hours of sunny weather
04 October
- 8.4 median hours of sunny weather
23 October
- 8.2 median hours of sunny weather
12 October
- 7.9 median hours of sunny weather
Top Saturdays in October 2027
23 October
- 8.2 median hours of sunny weather
09 October
- 6.9 median hours of sunny weather
02 October
- 6.6 median hours of sunny weather
30 October
- 4.4 median hours of sunny weather
16 October
- 2.7 median hours of sunny weather
Based on data from: 2016-2025
01
65 °F
9 h
3 h
02
62 °F
6.6 h
6.6 h
03
62 °F
7 h
3.3 h
04
68 °F
8.4 h
2.6 h
05
65 °F
9.2 h
0.5 h
06
67 °F
7.3 h
2.5 h
07
66 °F
6.1 h
4.6 h
08
60 °F
6 h
4.7 h
09
60 °F
6.9 h
5 h
10
61 °F
7.6 h
5.1 h
11
60 °F
7.3 h
3.2 h
12
61 °F
7.9 h
1.6 h
13
60 °F
5.7 h
5.6 h
14
59 °F
7.3 h
2.2 h
15
60 °F
4.2 h
5.6 h
16
54 °F
2.7 h
6.9 h
17
54 °F
6 h
5.8 h
18
56 °F
6.5 h
1.8 h
19
59 °F
7.6 h
3.8 h
20
60 °F
7.5 h
4.9 h
21
58 °F
3.7 h
8.4 h
22
56 °F
5.4 h
8 h
23
59 °F
8.2 h
1.4 h
24
57 °F
5.4 h
3.3 h
25
51 °F
4.8 h
1.7 h
26
50 °F
4.4 h
5.1 h
27
50 °F
6.1 h
4.3 h
28
51 °F
5.7 h
4.2 h
29
50 °F
4.9 h
5.1 h
30
48 °F
4.4 h
5.5 h
31
49 °F
4.4 h
7.2 h
October gives Ottawa weddings a more atmospheric, autumnal mood. Average daily maximums ease to 14.42°C, with 6.26 sunshine hours and 4.31 precipitation hours. Fall colours can be beautiful in and around the city, especially earlier in the month, and the cooler air suits heavier fabrics, candlelit receptions, and shorter outdoor portrait sessions. The compromise is daylight: evenings close in faster, so timelines need more discipline than in summer. If you are planning an October celebration, build your photography schedule around the earlier sunset and choose a venue that still feels warm and inviting once guests move indoors.
Ottawa, Ontario, Canada
Top date in November, 2027:
08 November
Top dates with the most sunshine
08 November
- 7.3 median hours of sunny weather
04 November
- 6.4 median hours of sunny weather
07 November
- 6.4 median hours of sunny weather
19 November
- 5.9 median hours of sunny weather
10 November
- 5.7 median hours of sunny weather
Top Saturdays in November 2027
20 November
- 5.1 median hours of sunny weather
06 November
- 3.9 median hours of sunny weather
13 November
- 3.7 median hours of sunny weather
27 November
- 2.6 median hours of sunny weather
Based on data from: 2016-2025
01
50 °F
4 h
8.3 h
02
49 °F
4.5 h
8.7 h
03
47 °F
4.7 h
4.1 h
04
48 °F
6.4 h
2.5 h
05
51 °F
4 h
5.9 h
06
53 °F
3.9 h
4.8 h
07
51 °F
6.4 h
2.5 h
08
48 °F
7.3 h
1.3 h
09
47 °F
4.3 h
3.4 h
10
46 °F
5.7 h
3.1 h
11
42 °F
4.1 h
4.3 h
12
42 °F
4.4 h
4.7 h
13
38 °F
3.7 h
4.7 h
14
39 °F
4.8 h
2.9 h
15
40 °F
4.6 h
3.4 h
16
39 °F
4.7 h
7.4 h
17
39 °F
4.2 h
4.4 h
18
37 °F
4.7 h
3.8 h
19
41 °F
5.9 h
4 h
20
37 °F
5.1 h
4.8 h
21
39 °F
5.1 h
4.8 h
22
36 °F
3.2 h
7.1 h
23
36 °F
4.7 h
3 h
24
37 °F
4.7 h
3.8 h
25
39 °F
2.4 h
6.6 h
26
40 °F
3.5 h
5.9 h
27
37 °F
2.6 h
8.2 h
28
37 °F
5.6 h
3.1 h
29
36 °F
3.6 h
3 h
30
37 °F
3.4 h
5 h
November in Ottawa is best for couples who prioritise intimacy, availability, and indoor atmosphere over scenery. Historical averages fall to 4.53 sunshine hours, with a 5.51°C daily maximum and 4.65 precipitation hours. Trees are mostly bare, skies can look flat, and conditions often feel damp or raw rather than picturesque. On the plus side, venues and suppliers may offer more flexibility than in peak wedding season. A November date can work very well with a strong interior design plan: think warm lighting, rich florals, and a reception-led celebration. Ask your venue about covered drop-off points, because guest comfort matters more in this shoulder-to-winter period.
Ottawa, Ontario, Canada
Top date in December, 2027:
15 December
Top dates with the most sunshine
15 December
- 5.4 median hours of sunny weather
16 December
- 5.4 median hours of sunny weather
13 December
- 4.9 median hours of sunny weather
19 December
- 4.8 median hours of sunny weather
21 December
- 4.8 median hours of sunny weather
Top Saturdays in December 2027
25 December
- 3.7 median hours of sunny weather
04 December
- 3.2 median hours of sunny weather
18 December
- 2.8 median hours of sunny weather
11 December
- 2.6 median hours of sunny weather
Based on data from: 2016-2025
01
37 °F
4.1 h
6.3 h
02
37 °F
2.5 h
6.3 h
03
35 °F
3.3 h
4.1 h
04
33 °F
3.2 h
7.2 h
05
34 °F
2.8 h
6.3 h
06
33 °F
3.2 h
6.1 h
07
30 °F
3.8 h
6 h
08
28 °F
3.6 h
5.3 h
09
31 °F
3.6 h
4.8 h
10
31 °F
3.8 h
5.4 h
11
31 °F
2.6 h
8.6 h
12
31 °F
3.6 h
9.9 h
13
31 °F
4.9 h
2.5 h
14
30 °F
4.5 h
5.3 h
15
29 °F
5.4 h
2.7 h
16
28 °F
5.4 h
4.1 h
17
31 °F
2.3 h
5.5 h
18
29 °F
2.8 h
7.9 h
19
30 °F
4.8 h
4.1 h
20
32 °F
4.2 h
4 h
21
29 °F
4.8 h
4.4 h
22
30 °F
4 h
5 h
23
28 °F
3.8 h
5.6 h
24
28 °F
2.7 h
7.5 h
25
29 °F
3.7 h
7 h
26
28 °F
3.7 h
2.8 h
27
23 °F
3.5 h
4.1 h
28
29 °F
2.8 h
7.1 h
29
29 °F
4.5 h
4.4 h
30
32 °F
1.8 h
8.4 h
31
28 °F
2.7 h
8.4 h
December weddings in Ottawa can feel festive and elegant, but they demand realistic winter planning. The averages are the toughest of the year: 3.63 sunshine hours, 5.71 precipitation hours, and a daily maximum of -0.88°C. Holiday décor can do a lot of visual work for you, and indoor celebrations often feel naturally cosy, especially in historic or hotel venues. The challenge is mobility: snow, ice, and pre-Christmas schedules can complicate both guest travel and supplier timing. If you choose December, avoid overloading the day with multiple locations, and confirm cancellation, heating, and storm contingency plans in writing.