Terrebonne Weather in August
What's the weather like in Terrebonne (Quebec) in August 2025?
The climate in Terrebonne during August can be summarized as warm and a little damp.
August is in the summer in Terrebonne and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 24.9°C 76.8°F |
|---|---|
| Nightly temperature | 13.7°C 56.7°F |
| Average temperature | 19.3°C 66.7°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 99 mm 3.9 ins |
| Rainy days | 13 days |
| Sea temperature | 17°C 62.6°F |
| Humidity | 75% |
| Windspeed | 10.8kph 7 mph |
On average August is the wettest month of the year in Terrebonne with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
August temperatures in Terrebonne
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 Terrebonne in August 2025.
Other monthly averages
Best places to visit in August
Terrebonne weather stats
| Hottest month: | July | 26.2°C 79.2°F |
|---|---|---|
| Driest month: | February | 52mm 2ins |
| Sunniest month: | July | 9.3hrs |
| Coldest month: | January | -6.4°C 20.5°F |
| Wettest month: | August | 99mm 3.9ins |
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