July is the clearest all-round choice for an outdoor-leaning wedding in Oshawa. The city’s lake-influenced summer is warm rather than extreme, and July has the strongest historical sunshine profile in this report, which gives you the best odds of comfortable photos, ceremony timing, and relaxed guest movement. The trade-off is simple: the same season that feels easiest for celebrating also brings heavier demand for venues, accommodation, and weekend dates, especially across the GTA and Durham Region.
This report uses historical weather from 2016-2025, so treat the rankings as planning signals rather than promises. In Oshawa, weather is only one part of the decision: traffic on major routes, summer visitor patterns, and venue turnover can matter just as much as sunshine. If you want a Saturday in peak season, secure suppliers early and ask venues how they handle heat, parking, and indoor fallback space.
July ranks highest in Oshawa because it combines the strongest average daily sunshine at 12 hours with the warmest monthly conditions in the dataset. That makes it especially appealing for late-afternoon ceremonies, patio cocktails, and photos that can run comfortably into the evening. The practical catch is that a bright July weekend is usually in demand, so couples should expect firmer pricing and tighter availability. If you are set on an outdoor setting, build shade, hydration, and an indoor alternative into the plan rather than hoping the weather will cooperate on its own.
The strongest historical date is 17 June, with 13.51 sunshine hours, just 0.1 precipitation hours, and a maximum temperature of 23.3°C. It is a compelling signal for couples who want early-summer light without the peak heat that can come later in the season. Among the strongest Saturdays, 04 July 2026, 03 July 2027, and 17 June 2028 all look promising on paper, but they are still only historical weather indications. Use them as a starting point, then check venue availability, holiday weekends, and guest travel before you lock anything in.
For Oshawa, the safest date strategy is to confirm indoor space, parking, and supplier access before choosing a day purely for weather. Summer weekends can be affected by regional travel demand and family holiday plans, so ask venues about arrival timing, noise limits, and backup ceremony locations. A strong forecast history is helpful, but a workable logistics plan matters more.
Keep reading to view the best day to get married, hours of rain per day and average high temperature per day in Oshawa, Ontario, Canada for every month in 2026, 2027 and 2028:
Practical advice for planning around local weather and logistics
In Oshawa, a good weather plan is not just about umbrellas. Ask whether the venue has a separate indoor ceremony space, covered photo options, and a sensible arrival route for guests. That matters most in spring and late autumn, when conditions can change by the hour.
Summer gives you more flexibility, but winter and shoulder seasons do not. Schedule portraits, family photos, and any outdoor moments earlier than you think you need to. In darker months, a late ceremony can leave you with very little usable daylight for key pictures.
July and August are attractive in Oshawa, but that is exactly when accommodation and ride demand can tighten. If many guests are travelling from outside the city, lock in room blocks and shuttle options before you send formal invitations. It will reduce stress for everyone.
Oshawa is large enough that venue convenience matters, especially if guests are driving in from across Durham Region or Toronto. Check parking, drop-off points, and any restrictions on supplier loading times. Small logistics issues can have a big effect on the feel of the day.
July currently ranks highest in Dropory's historical analysis for Oshawa, Ontario, Canada. Use the result alongside venue availability, guest travel and your preferred wedding style.
17 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.
July is the strongest month in this report because it has the highest average daily sunshine at 12 hours, which is a useful signal for outdoor photos and relaxed summer timelines. June is close behind if you want a slightly softer feel and a bit less heat. The best choice still depends on venue availability and whether you want an indoor or outdoor-heavy celebration.
Yes, especially from late May through September, but it works best when you plan for shade, covered transitions, and an indoor fallback. July and June are the safest weather bets in this dataset, yet even strong historical dates are not guarantees. If your venue has good shelter and easy guest access, outdoor elements can work very well here.
Not necessarily. Winter weddings in Oshawa can be beautiful and often easier to book, but they need a more careful logistics plan. January, February, and December all have shorter daylight and higher weather disruption risk, so heating, parking, and transport become central details. If you love a cozy indoor atmosphere, a winter date can still be a strong choice.
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
Oshawa, Ontario, Canada
Top date in January, 2027:
29 January
Top dates with the most sunshine
29 January
- 6.5 median hours of sunny weather
30 January
- 6 median hours of sunny weather
14 January
- 6 median hours of sunny weather
16 January
- 6 median hours of sunny weather
04 January
- 5.9 median hours of sunny weather
Top Saturdays in January 2027
30 January
- 6 median hours of sunny weather
16 January
- 6 median hours of sunny weather
23 January
- 4.6 median hours of sunny weather
02 January
- 4.4 median hours of sunny weather
09 January
- 3.2 median hours of sunny weather
Based on data from: 2016-2025
01
35 °F
4.1 h
4.4 h
02
35 °F
4.4 h
3.8 h
03
35 °F
3 h
5.5 h
04
32 °F
5.9 h
3.6 h
05
30 °F
4.5 h
4.6 h
06
30 °F
3.9 h
3.8 h
07
31 °F
5 h
2.1 h
08
32 °F
5.4 h
3.3 h
09
35 °F
3.2 h
5.1 h
10
35 °F
3.6 h
6.4 h
11
34 °F
3.7 h
7.6 h
12
36 °F
2.9 h
9.4 h
13
30 °F
3.2 h
6 h
14
29 °F
6 h
2.1 h
15
28 °F
5.8 h
2.9 h
16
32 °F
6 h
4.5 h
17
28 °F
3.5 h
6.5 h
18
32 °F
4.3 h
4 h
19
32 °F
3.8 h
4.8 h
20
25 °F
4.9 h
1.3 h
21
27 °F
5.8 h
1 h
22
31 °F
3.4 h
4.5 h
23
32 °F
4.6 h
6.1 h
24
31 °F
3.2 h
7.6 h
25
31 °F
4.6 h
4.9 h
26
34 °F
4.3 h
7.9 h
27
34 °F
3.8 h
3.8 h
28
31 °F
4.3 h
4.4 h
29
29 °F
6.5 h
4.1 h
30
27 °F
6 h
2.4 h
31
30 °F
4.8 h
3.2 h
January is the least forgiving month for an Oshawa wedding, with only 4.46 average daily sunshine hours, 4.57 hours of precipitation, and a maximum temperature around -0.37°C. That combination makes snow, slush, and short daylight the main planning issues rather than just the cold itself. The upside is that indoor venues can feel especially atmospheric, and winter dates may be easier to book than summer. If you choose January, think about heated arrivals, clear coat storage, and photography that can happen quickly before sunset.
Oshawa, Ontario, Canada
Top date in February, 2027:
26 February
Top dates with the most sunshine
26 February
- 7.8 median hours of sunny weather
14 February
- 7.8 median hours of sunny weather
18 February
- 7.3 median hours of sunny weather
20 February
- 7.2 median hours of sunny weather
21 February
- 6.6 median hours of sunny weather
Top Saturdays in February 2027
20 February
- 7.2 median hours of sunny weather
27 February
- 6.5 median hours of sunny weather
13 February
- 5.9 median hours of sunny weather
06 February
- 5.4 median hours of sunny weather
Based on data from: 2016-2025
01
34 °F
6.4 h
1.8 h
02
32 °F
5.6 h
3.5 h
03
33 °F
4.9 h
6.4 h
04
35 °F
4.5 h
5.7 h
05
32 °F
6.3 h
1.7 h
06
30 °F
5.4 h
5 h
07
35 °F
3.4 h
6.8 h
08
34 °F
5.8 h
1.4 h
09
33 °F
5 h
7.6 h
10
34 °F
4.5 h
7.2 h
11
31 °F
4.8 h
3.1 h
12
31 °F
5.7 h
4.7 h
13
28 °F
5.9 h
6.1 h
14
28 °F
7.8 h
1.9 h
15
34 °F
5.1 h
6.5 h
16
33 °F
4.9 h
6 h
17
29 °F
6 h
5.4 h
18
33 °F
7.3 h
5.6 h
19
34 °F
5.8 h
4.9 h
20
35 °F
7.2 h
4 h
21
39 °F
6.6 h
2.2 h
22
36 °F
5.6 h
3.9 h
23
39 °F
6.3 h
3.7 h
24
36 °F
5.4 h
4.4 h
25
36 °F
4.9 h
8.1 h
26
34 °F
7.8 h
2.6 h
27
38 °F
6.5 h
3.9 h
28
38 °F
6.3 h
5.6 h
February is still very much a winter month, but it improves slightly on January with 5.78 sunshine hours and a monthly maximum temperature of 1°C on average. It can be a good option for couples who want a quieter calendar and a more affordable off-season feel, though the weather remains changeable enough that transport delays are always worth planning for. If your guests are coming from outside Oshawa, choose a venue that keeps parking, coat check, and indoor movement simple. A compact timeline helps more than trying to chase daylight.
Oshawa, Ontario, Canada
Top date in March, 2027:
22 March
Top dates with the most sunshine
22 March
- 9.4 median hours of sunny weather
08 March
- 9.4 median hours of sunny weather
21 March
- 9.2 median hours of sunny weather
12 March
- 9.1 median hours of sunny weather
19 March
- 9.1 median hours of sunny weather
Top Saturdays in March 2027
20 March
- 8.5 median hours of sunny weather
06 March
- 5.9 median hours of sunny weather
13 March
- 5.9 median hours of sunny weather
27 March
- 5.4 median hours of sunny weather
Based on data from: 2016-2025
01
35 °F
4.7 h
6.3 h
02
35 °F
6.9 h
4.2 h
03
32 °F
6.8 h
3 h
04
33 °F
8 h
1.7 h
05
35 °F
7.5 h
2 h
06
39 °F
5.9 h
4.1 h
07
38 °F
4.9 h
6.2 h
08
39 °F
9.4 h
0.3 h
09
41 °F
9 h
1.1 h
10
41 °F
5 h
7.5 h
11
38 °F
6.8 h
3.1 h
12
40 °F
9.1 h
1.1 h
13
37 °F
5.9 h
6.5 h
14
41 °F
6.5 h
5.5 h
15
40 °F
6.9 h
4.7 h
16
41 °F
7.7 h
1.9 h
17
45 °F
7.2 h
5.4 h
18
41 °F
7.8 h
2.9 h
19
40 °F
9.1 h
2.9 h
20
45 °F
8.5 h
3.3 h
21
45 °F
9.2 h
1.1 h
22
39 °F
9.4 h
2 h
23
40 °F
5.9 h
6.7 h
24
42 °F
8 h
5.3 h
25
42 °F
7.5 h
4.5 h
26
45 °F
7.6 h
4.7 h
27
43 °F
5.4 h
5.2 h
28
44 °F
6.6 h
4.7 h
29
45 °F
7.7 h
3.6 h
30
43 °F
5.8 h
8 h
31
45 °F
3.7 h
11.4 h
March begins the transition out of winter, with 7.1 average daily sunshine hours and a typical maximum temperature of 4.65°C, but the season can still feel messy in practice. Melting snow, wet sidewalks, and cool evenings can complicate photography and guest comfort even when the sky looks bright. That makes March a sensible month for couples who like shoulder-season value and are happy to lean into an indoor-first celebration. If you are planning a March wedding in Oshawa, choose shoes and outerwear with wet weather in mind and confirm where guests can wait comfortably before the ceremony.
Oshawa, Ontario, Canada
Top date in April, 2027:
08 April
Top dates with the most sunshine
08 April
- 10.8 median hours of sunny weather
23 April
- 10.8 median hours of sunny weather
02 April
- 10.7 median hours of sunny weather
22 April
- 10.4 median hours of sunny weather
27 April
- 10.2 median hours of sunny weather
Top Saturdays in April 2027
10 April
- 9.9 median hours of sunny weather
24 April
- 9.6 median hours of sunny weather
17 April
- 9 median hours of sunny weather
03 April
- 4.4 median hours of sunny weather
Based on data from: 2016-2025
01
45 °F
8.2 h
2.4 h
02
44 °F
10.7 h
0.2 h
03
44 °F
4.4 h
7.9 h
04
46 °F
7.4 h
7.3 h
05
45 °F
7.2 h
5.2 h
06
48 °F
5.7 h
7.4 h
07
47 °F
8.4 h
4.7 h
08
49 °F
10.8 h
1.6 h
09
46 °F
9.1 h
2.9 h
10
49 °F
9.9 h
2.2 h
11
50 °F
5.5 h
6.8 h
12
52 °F
6 h
8.1 h
13
53 °F
7.6 h
5.3 h
14
50 °F
8.4 h
5.9 h
15
51 °F
7.3 h
6.1 h
16
51 °F
8.3 h
6.1 h
17
48 °F
9 h
3.7 h
18
50 °F
8.1 h
3.8 h
19
52 °F
6.7 h
6.7 h
20
50 °F
7.9 h
6 h
21
52 °F
9.1 h
4.3 h
22
52 °F
10.4 h
2.9 h
23
52 °F
10.8 h
1.2 h
24
53 °F
9.6 h
2.4 h
25
52 °F
8.2 h
6.1 h
26
51 °F
7.9 h
6.3 h
27
53 °F
10.2 h
2.6 h
28
52 °F
8.1 h
4.4 h
29
53 °F
7.3 h
6.1 h
30
54 °F
8.2 h
5.5 h
April brings a clearer shift toward spring, with 8.21 sunshine hours on average and a maximum temperature near 9.87°C, but it is also one of the more unsettled months for precipitation at 4.74 hours. In Oshawa that often means the day may feel pleasant for part of the afternoon and damp by evening, which matters if you are hoping to use gardens or outdoor portraits. April can work well for couples who want fresher colours and better light without full summer competition. Make sure your venue has a dry-plan entrance for guests and a covered photo spot if the weather turns.
Oshawa, Ontario, Canada
Top date in May, 2027:
31 May
Top dates with the most sunshine
31 May
- 13.1 median hours of sunny weather
08 May
- 12.9 median hours of sunny weather
17 May
- 12.7 median hours of sunny weather
30 May
- 12.3 median hours of sunny weather
20 May
- 12.2 median hours of sunny weather
Top Saturdays in May 2027
08 May
- 12.9 median hours of sunny weather
29 May
- 11 median hours of sunny weather
15 May
- 10.2 median hours of sunny weather
22 May
- 8.8 median hours of sunny weather
01 May
- 6.8 median hours of sunny weather
Based on data from: 2016-2025
01
53 °F
6.8 h
7.3 h
02
53 °F
6.9 h
6.5 h
03
57 °F
8 h
7.1 h
04
56 °F
6.2 h
6.5 h
05
55 °F
10 h
3.2 h
06
58 °F
9.6 h
3.9 h
07
56 °F
9.2 h
3.9 h
08
57 °F
12.9 h
0.8 h
09
55 °F
10.1 h
2.7 h
10
57 °F
11 h
3.2 h
11
57 °F
11.7 h
1.6 h
12
59 °F
10.7 h
2.8 h
13
60 °F
11.5 h
3.8 h
14
60 °F
10.2 h
4.6 h
15
63 °F
10.2 h
5.5 h
16
62 °F
11.4 h
2.5 h
17
63 °F
12.7 h
1 h
18
62 °F
11 h
3.1 h
19
64 °F
10.2 h
2.7 h
20
65 °F
12.2 h
2.3 h
21
66 °F
11.8 h
1.9 h
22
64 °F
8.8 h
3.3 h
23
67 °F
11.3 h
3.2 h
24
66 °F
11.3 h
3.3 h
25
67 °F
10.3 h
4.2 h
26
68 °F
10.3 h
2.2 h
27
67 °F
11.2 h
2.3 h
28
68 °F
9 h
5.2 h
29
67 °F
11 h
2.6 h
30
69 °F
12.3 h
2.9 h
31
68 °F
13.1 h
2.2 h
May is one of the most balanced months in Oshawa, with 10.41 average daily sunshine hours, a modest 3.49 hours of precipitation, and a comfortable 16.44°C average maximum temperature. It often gives you the feeling of early wedding season without the more intense heat or booking pressure of midsummer. The strongest historical date, 31 May, reached 13.13 sunshine hours and 20.26°C, which shows why late May can be especially attractive for ceremonies that start outdoors and finish inside. Still, spring can flip quickly, so ask your venue about tents, umbrellas, and a wind-friendly setup for flowers and signage.
Oshawa, Ontario, Canada
Top date in June, 2027:
17 June
Top dates with the most sunshine
17 June
- 13.5 median hours of sunny weather
21 June
- 13.4 median hours of sunny weather
16 June
- 13.3 median hours of sunny weather
25 June
- 13.1 median hours of sunny weather
19 June
- 12.8 median hours of sunny weather
Top Saturdays in June 2027
19 June
- 12.8 median hours of sunny weather
26 June
- 11.2 median hours of sunny weather
12 June
- 11.2 median hours of sunny weather
05 June
- 10.5 median hours of sunny weather
Based on data from: 2016-2025
01
68 °F
11.7 h
2.4 h
02
68 °F
11.5 h
2.6 h
03
68 °F
11.1 h
2.3 h
04
67 °F
10.6 h
2 h
05
70 °F
10.5 h
2.9 h
06
70 °F
11.2 h
4.1 h
07
69 °F
11.9 h
3.6 h
08
68 °F
11.8 h
3.7 h
09
71 °F
11.4 h
2.9 h
10
69 °F
10.9 h
4.1 h
11
70 °F
11.5 h
2.7 h
12
68 °F
11.2 h
2.7 h
13
68 °F
11.6 h
4 h
14
68 °F
12.3 h
2.5 h
15
70 °F
12.3 h
3.3 h
16
72 °F
13.3 h
1.5 h
17
74 °F
13.5 h
0.1 h
18
74 °F
11.5 h
2.9 h
19
76 °F
12.8 h
0.8 h
20
74 °F
11.9 h
4.6 h
21
74 °F
13.4 h
2.2 h
22
73 °F
12.1 h
1.7 h
23
74 °F
9.5 h
6.4 h
24
74 °F
11.5 h
3.6 h
25
75 °F
13.1 h
2.8 h
26
75 °F
11.2 h
4.4 h
27
74 °F
10.2 h
6.2 h
28
75 °F
12.7 h
3.4 h
29
75 °F
11.8 h
4.6 h
30
75 °F
11.8 h
4.2 h
June is one of the most versatile months for a wedding in Oshawa, with 11.72 sunshine hours, 3.17 precipitation hours, and an average maximum temperature of 21.94°C. It is bright enough for long photo sessions but not usually as heavy as late-summer heat, which helps with guest comfort and formalwear. The historical standout date of 17 June is particularly strong, but June overall also carries the benefit of long evenings for dinner and dancing. Watch for school schedules, Father’s Day travel, and the beginning of summer event season when you book hotels and transportation.
Oshawa, Ontario, Canada
Top date in July, 2027:
07 July
Top dates with the most sunshine
07 July
- 13.4 median hours of sunny weather
03 July
- 13.4 median hours of sunny weather
04 July
- 13.3 median hours of sunny weather
19 July
- 13.1 median hours of sunny weather
21 July
- 13 median hours of sunny weather
Top Saturdays in July 2027
03 July
- 13.4 median hours of sunny weather
31 July
- 12.5 median hours of sunny weather
10 July
- 12.4 median hours of sunny weather
17 July
- 10.4 median hours of sunny weather
24 July
- 10 median hours of sunny weather
Based on data from: 2016-2025
01
75 °F
12.1 h
4.4 h
02
77 °F
11.8 h
3.4 h
03
76 °F
13.4 h
1.5 h
04
78 °F
13.3 h
0.8 h
05
78 °F
12 h
2.2 h
06
80 °F
12.8 h
3.3 h
07
77 °F
13.4 h
2.3 h
08
76 °F
11.9 h
3.8 h
09
76 °F
11.8 h
2.8 h
10
78 °F
12.4 h
1.7 h
11
77 °F
10 h
4.6 h
12
78 °F
11.9 h
3.6 h
13
78 °F
10.7 h
4.4 h
14
77 °F
11.8 h
3.2 h
15
78 °F
11.3 h
2.3 h
16
78 °F
10.6 h
4.6 h
17
78 °F
10.4 h
5.5 h
18
78 °F
12.2 h
4.4 h
19
77 °F
13.1 h
1.4 h
20
79 °F
12.7 h
2.1 h
21
79 °F
13 h
2.3 h
22
77 °F
10.4 h
4.3 h
23
78 °F
13 h
2.1 h
24
77 °F
10 h
5 h
25
78 °F
11.8 h
3.7 h
26
79 °F
12.2 h
1.1 h
27
79 °F
12.3 h
3.9 h
28
78 °F
12.5 h
2.7 h
29
78 °F
11.8 h
3.5 h
30
77 °F
12.9 h
2.1 h
31
77 °F
12.5 h
2.3 h
July is the peak month in this report for Oshawa, and the numbers explain why. It averages 12 sunshine hours a day, with a monthly maximum temperature of 25.37°C and relatively low precipitation at 3.07 hours. For couples who want outdoor portraits, a ceremony on a terrace, or a reception with open-air flow, it is the easiest month to work with. The downside is crowding: July weekends are often the first to disappear, and local accommodation can tighten quickly. If you want July, reserve early and be clear about how your venue will handle shade, cooling, and indoor backup.
Oshawa, Ontario, Canada
Top date in August, 2027:
05 August
Top dates with the most sunshine
05 August
- 12.7 median hours of sunny weather
26 August
- 12.3 median hours of sunny weather
23 August
- 12.3 median hours of sunny weather
11 August
- 12.2 median hours of sunny weather
15 August
- 12.2 median hours of sunny weather
Top Saturdays in August 2027
28 August
- 11.9 median hours of sunny weather
14 August
- 11.8 median hours of sunny weather
07 August
- 10.1 median hours of sunny weather
21 August
- 9.1 median hours of sunny weather
Based on data from: 2016-2025
01
77 °F
11.8 h
5 h
02
78 °F
12.1 h
1.9 h
03
78 °F
11.4 h
2.8 h
04
78 °F
11 h
5.1 h
05
78 °F
12.7 h
0.9 h
06
77 °F
11.8 h
2.5 h
07
77 °F
10.1 h
5.8 h
08
77 °F
10.4 h
2.8 h
09
78 °F
11.6 h
3.2 h
10
79 °F
11.3 h
4 h
11
78 °F
12.2 h
2.3 h
12
78 °F
12.2 h
3 h
13
79 °F
11.2 h
4.7 h
14
78 °F
11.8 h
1.5 h
15
78 °F
12.2 h
1.9 h
16
77 °F
11.2 h
3.6 h
17
77 °F
9.2 h
6.6 h
18
76 °F
10.4 h
5.7 h
19
76 °F
12.2 h
3.1 h
20
77 °F
10.5 h
2.3 h
21
76 °F
9.1 h
6.3 h
22
74 °F
10.1 h
4.6 h
23
77 °F
12.3 h
1.8 h
24
76 °F
10.9 h
2.3 h
25
76 °F
10.5 h
3.2 h
26
76 °F
12.3 h
3 h
27
74 °F
10 h
4.5 h
28
76 °F
11.9 h
1 h
29
76 °F
10.1 h
4 h
30
73 °F
10.8 h
2.6 h
31
73 °F
11.6 h
2.1 h
August stays highly wedding-friendly in Oshawa, though it is a touch less bright than July at 11.18 sunshine hours and slightly warmer on average at 24.85°C. That can be a great combination for evening receptions, but midday ceremonies may feel hot for older guests, children, and anyone in heavy formalwear. The strongest historical date, 05 August, suggests that some August weekends can still be excellent, with 12.66 sunshine hours and only 0.9 precipitation hours. Just remember that August can overlap with travel season and long weekends, so secure hotels and transportation before sending invitations if many guests are coming from out of town.
Oshawa, Ontario, Canada
Top date in September, 2027:
06 September
Top dates with the most sunshine
06 September
- 11.3 median hours of sunny weather
15 September
- 11.1 median hours of sunny weather
02 September
- 10.9 median hours of sunny weather
19 September
- 10.9 median hours of sunny weather
14 September
- 10.7 median hours of sunny weather
Top Saturdays in September 2027
18 September
- 10.4 median hours of sunny weather
04 September
- 10.3 median hours of sunny weather
11 September
- 10.1 median hours of sunny weather
25 September
- 6.9 median hours of sunny weather
Based on data from: 2016-2025
01
73 °F
10.4 h
2.9 h
02
74 °F
10.9 h
2.8 h
03
75 °F
10.2 h
2.7 h
04
74 °F
10.3 h
1.4 h
05
74 °F
10.2 h
3.3 h
06
73 °F
11.3 h
1 h
07
73 °F
9.7 h
5 h
08
68 °F
9.6 h
3.6 h
09
69 °F
9.1 h
1.1 h
10
70 °F
8.9 h
5.1 h
11
71 °F
10.1 h
1.8 h
12
71 °F
9.1 h
4.8 h
13
72 °F
9.8 h
2.8 h
14
72 °F
10.7 h
1.6 h
15
70 °F
11.1 h
1.3 h
16
71 °F
10.5 h
0.9 h
17
72 °F
10.1 h
1.9 h
18
72 °F
10.4 h
2 h
19
70 °F
10.9 h
0.4 h
20
71 °F
10.2 h
0.6 h
21
72 °F
10.5 h
1.9 h
22
70 °F
8.8 h
3.6 h
23
70 °F
8.9 h
4.3 h
24
69 °F
9.4 h
3.1 h
25
70 °F
6.9 h
6.5 h
26
69 °F
7.8 h
6.6 h
27
69 °F
9.4 h
2.4 h
28
67 °F
8.9 h
2.3 h
29
65 °F
8 h
2.8 h
30
64 °F
8.7 h
2.2 h
September is often underrated for Oshawa weddings because it still delivers 9.68 sunshine hours on average while easing off the summer heat to about 21.48°C. It can feel calmer than July or August, which helps with guest comfort, hair and makeup timing, and all-day wear for formal outfits. The lower precipitation average also makes it a strong candidate for outdoor ceremonies that want a softer, more settled atmosphere. The main watchout is calendar competition from back-to-school routines and early autumn events, so it helps to confirm whether your chosen Friday or Saturday sits near a busy travel window.
Oshawa, Ontario, Canada
Top date in October, 2027:
10 October
Top dates with the most sunshine
10 October
- 9.1 median hours of sunny weather
05 October
- 8.9 median hours of sunny weather
11 October
- 8.5 median hours of sunny weather
06 October
- 8.4 median hours of sunny weather
02 October
- 8.3 median hours of sunny weather
Top Saturdays in October 2027
02 October
- 8.3 median hours of sunny weather
23 October
- 7.9 median hours of sunny weather
09 October
- 6.9 median hours of sunny weather
16 October
- 6.6 median hours of sunny weather
30 October
- 4.1 median hours of sunny weather
Based on data from: 2016-2025
01
66 °F
7.9 h
3.4 h
02
65 °F
8.3 h
5.3 h
03
64 °F
7.1 h
3.1 h
04
66 °F
7.9 h
3.6 h
05
65 °F
8.9 h
0.9 h
06
67 °F
8.4 h
3.9 h
07
66 °F
6.8 h
3.5 h
08
62 °F
7.2 h
3.2 h
09
62 °F
6.9 h
4.9 h
10
62 °F
9.1 h
2.7 h
11
61 °F
8.5 h
1.9 h
12
62 °F
7.4 h
3.9 h
13
62 °F
7.6 h
4.3 h
14
59 °F
6.2 h
3.4 h
15
60 °F
5.3 h
6.4 h
16
56 °F
6.6 h
3.7 h
17
55 °F
7.2 h
3.9 h
18
56 °F
7.1 h
3.2 h
19
59 °F
8.2 h
4.3 h
20
58 °F
5.5 h
6.1 h
21
58 °F
5.5 h
5.7 h
22
57 °F
7 h
2.8 h
23
58 °F
7.9 h
3.9 h
24
57 °F
7.7 h
2.7 h
25
52 °F
6.6 h
3.8 h
26
51 °F
3.3 h
5.6 h
27
52 °F
5.5 h
6.5 h
28
52 °F
7.4 h
2.8 h
29
51 °F
3.5 h
4.3 h
30
50 °F
4.1 h
6.7 h
31
52 °F
5.6 h
6.4 h
October in Oshawa offers a very different mood: 6.84 sunshine hours, 4.09 hours of precipitation, and a maximum temperature around 14.88°C. It can be beautiful for fall colour and candlelit receptions, but outdoor plans need to be much more guarded than they would be in summer. The strongest historical date, 10 October, shows that a pleasant day is possible, yet the season remains variable enough that umbrellas, indoor portraits, and weatherproof transport become practical essentials. If you love October, lean into indoor ceremony styling and keep your timeline efficient because daylight disappears quickly.
Oshawa, Ontario, Canada
Top date in November, 2027:
10 November
Top dates with the most sunshine
10 November
- 7 median hours of sunny weather
08 November
- 7 median hours of sunny weather
03 November
- 6.9 median hours of sunny weather
04 November
- 6.4 median hours of sunny weather
07 November
- 6.4 median hours of sunny weather
Top Saturdays in November 2027
13 November
- 6.1 median hours of sunny weather
06 November
- 5.9 median hours of sunny weather
20 November
- 5.1 median hours of sunny weather
27 November
- 4 median hours of sunny weather
Based on data from: 2016-2025
01
51 °F
4.1 h
6.2 h
02
51 °F
4.2 h
5.6 h
03
49 °F
6.9 h
2 h
04
51 °F
6.4 h
2.8 h
05
55 °F
5.3 h
4.3 h
06
54 °F
5.9 h
5.2 h
07
52 °F
6.4 h
2.2 h
08
49 °F
7 h
1.8 h
09
50 °F
5.2 h
4 h
10
47 °F
7 h
2.9 h
11
45 °F
2.9 h
6 h
12
45 °F
6.3 h
3.2 h
13
44 °F
6.1 h
3.7 h
14
42 °F
5.9 h
3.4 h
15
45 °F
3.7 h
4.9 h
16
43 °F
3.8 h
5 h
17
44 °F
5.4 h
3.8 h
18
44 °F
4 h
3.8 h
19
44 °F
5.6 h
2.3 h
20
41 °F
5.1 h
1.5 h
21
43 °F
3.6 h
4.2 h
22
40 °F
4.9 h
4.6 h
23
40 °F
6.1 h
1.7 h
24
42 °F
5.5 h
3.8 h
25
44 °F
4.4 h
5.7 h
26
45 °F
4 h
6.2 h
27
43 °F
4 h
6.9 h
28
40 °F
6.1 h
3.4 h
29
41 °F
3.4 h
3.5 h
30
40 °F
3.1 h
6.6 h
November is a transition month with 5.08 sunshine hours, 4.04 hours of precipitation, and an average maximum temperature of 7.47°C. In Oshawa, that usually means shorter days, cooler guest arrivals, and a stronger case for a fully indoor celebration. The best dates in this month can still feel crisp and elegant, but they rarely reward outdoor risk-taking for long. A November wedding works well if you want a more intimate atmosphere and better venue availability than the peak summer season. Prioritise transport between ceremony and reception, and make sure guests know whether they should dress for walking in damp or cold conditions.
Oshawa, Ontario, Canada
Top date in December, 2027:
13 December
Top dates with the most sunshine
13 December
- 6.1 median hours of sunny weather
14 December
- 5.2 median hours of sunny weather
03 December
- 5.1 median hours of sunny weather
25 December
- 5.1 median hours of sunny weather
19 December
- 4.9 median hours of sunny weather
Top Saturdays in December 2027
25 December
- 5.1 median hours of sunny weather
04 December
- 4.5 median hours of sunny weather
18 December
- 4.2 median hours of sunny weather
11 December
- 2.6 median hours of sunny weather
Based on data from: 2016-2025
01
40 °F
2.6 h
8.4 h
02
40 °F
4.5 h
5.6 h
03
39 °F
5.1 h
5.3 h
04
38 °F
4.5 h
3.6 h
05
38 °F
3.8 h
5.8 h
06
37 °F
4.1 h
4.2 h
07
34 °F
4.4 h
2.3 h
08
36 °F
4.3 h
4 h
09
37 °F
4.3 h
3.7 h
10
38 °F
4 h
2.8 h
11
37 °F
2.6 h
7.1 h
12
36 °F
4.6 h
4.8 h
13
35 °F
6.1 h
0.8 h
14
33 °F
5.2 h
4.3 h
15
34 °F
4.1 h
3.8 h
16
34 °F
3.2 h
4.4 h
17
35 °F
3.5 h
6.3 h
18
35 °F
4.2 h
5.5 h
19
34 °F
4.9 h
3 h
20
36 °F
4.2 h
3.5 h
21
35 °F
4.1 h
4.8 h
22
34 °F
4.7 h
3.8 h
23
35 °F
3.5 h
7.8 h
24
36 °F
2.9 h
9.4 h
25
35 °F
5.1 h
4.5 h
26
34 °F
3.7 h
3.3 h
27
35 °F
2.3 h
5.6 h
28
35 °F
4.4 h
4.7 h
29
37 °F
3.1 h
6.8 h
30
39 °F
2.6 h
8 h
31
35 °F
2.3 h
9.8 h
December is the most demanding month for weather, with only 3.96 sunshine hours, 5.09 precipitation hours, and a typical maximum temperature of 2.17°C. In Oshawa, that usually means snow, ice, and very limited daylight can shape the whole experience, from guest arrival to photography timing. On the other hand, December can be very appealing for couples who want a festive indoor wedding and are happy to work around holiday schedules. The strongest historical date, 13 December, shows that brighter winter days do happen, but they should be treated as a bonus rather than a plan. Book early and confirm heating, parking, and supplier access.