Windsor Weather in August
What's the weather like in Windsor (Ontario) in August 2025?
The climate in Windsor during August can be summarized as warm, humid and a little damp.
August is in the summer in Windsor and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 26.9°C 80.4°F |
|---|---|
| Nightly temperature | 16.5°C 61.7°F |
| Average temperature | 21.7°C 71.1°F |
| Daily sunshine | 9.1 hrs |
| Avg rainfall | 83 mm 3.3 ins |
| Rainy days | 9 days |
| Sea temperature | 22.3°C 72.2°F |
| Humidity | 73% |
| Windspeed | 12.6kph 8 mph |
On average August is the 3rd wettest month of the year in Windsor with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
August temperatures in Windsor
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Windsor in August 2025.
Other monthly averages
Best places to visit in August
Windsor weather stats
| Hottest month: | July | 27.7°C 81.9°F |
|---|---|---|
| Driest month: | February | 46mm 1.8ins |
| Sunniest month: | July | 10.3hrs |
| Coldest month: | January | -1.3°C 29.7°F |
| Wettest month: | June | 92mm 3.6ins |
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