Wasaga Beach Weather in August
What's the weather like in Wasaga Beach (Ontario) in August 2025?
The climate in Wasaga Beach during August can be summarized as warm and a little damp.
August is in the summer in Wasaga Beach and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 14°C (58°F) is normal.
| Daytime temperature | 24.6°C 76.2°F |
|---|---|
| Nightly temperature | 14.3°C 57.7°F |
| Average temperature | 19.4°C 66.9°F |
| Daily sunshine | 8.6 hrs |
| Avg rainfall | 88 mm 3.5 ins |
| Rainy days | 10 days |
| Sea temperature | 20.1°C 68.1°F |
| Humidity | 77% |
| Windspeed | 10.8kph 7 mph |
On average August is the 5th wettest month of the year in Wasaga Beach with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
August temperatures in Wasaga Beach
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 Wasaga Beach in August 2025.
Other monthly averages
Best places to visit in August
Wasaga Beach weather stats
| Hottest month: | July | 25.4°C 77.7°F |
|---|---|---|
| Driest month: | March | 59mm 2.3ins |
| Sunniest month: | July | 10.3hrs |
| Coldest month: | January | -4°C 24.8°F |
| Wettest month: | December | 101mm 4ins |
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