Trois-Rivières
August
Weather in Trois-Rivières for August 2025
Your guide to Trois-Rivières weather in August - trends and predictions
In general, the average temperature in Trois-Rivières at the beginning of August is 23.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.1 °C by the end of August.
Trois-Rivières experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
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9
Dry days
22
Rainy days
0
Snow days
22°/13°
Temperatures
16 km/h
Avg max wind
81 %
Avg humidity
Trois-Rivières in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  25° | 3  25° | ||||
| 4 26° | 5 21° | 6  24° | 7 23° | 8 21° | 9 21° | 10 25° |
| 11 22° | 12 21° | 13  24° | 14 25° | 15 24° | 16 23° | 17 25° |
| 18 23° | 19 19° | 20 19° | 21 19° | 22  19° | 23 22° | 24 23° |
| 25  17° | 26 21° | 27  24° | 28  22° | 29 22° | 30 22° | 31 20° |
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Temperatures trend during August in Trois-Rivières
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 23° /14° | 1.7 mm | 5 | |
| 2 Aug. | Overcast | 25° /14° | 0.7 mm | 6 | |
| 3 Aug. | Moderate or heavy rain shower | 25° /16° | 13.2 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 26° /16° | 16.6 mm | 6 | |
| 5 Aug. | Patchy rain possible | 21° /13° | 1.9 mm | 5 | |
| 6 Aug. | Sunny | 24° /12° | 0 mm | 6 | |
| 7 Aug. | Patchy rain possible | 23° /12° | 2.9 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 21° /13° | 41.7 mm | 5 | |
| 9 Aug. | Patchy rain possible | 21° /15° | 33.4 mm | 5 | |
| 10 Aug. | Moderate or heavy rain shower | 25° /15° | 10.7 mm | 6 | |
| 11 Aug. | Patchy rain possible | 22° /13° | 4.3 mm | 5 | |
| 12 Aug. | Overcast | 21° /12° | 5.1 mm | 5 | |
| 13 Aug. | Heavy rain at times | 24° /14° | 7.5 mm | 6 | |
| 14 Aug. | Patchy rain possible | 25° /15° | 1 mm | 6 | |
| 15 Aug. | Overcast | 24° /15° | 3.6 mm | 6 | |
| 16 Aug. | Moderate or heavy rain shower | 23° /14° | 4.6 mm | 6 | |
| 17 Aug. | Patchy rain possible | 25° /17° | 1.7 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 23° /17° | 18.2 mm | 5 | |
| 19 Aug. | Moderate or heavy rain shower | 19° /13° | 13.5 mm | 4 | |
| 20 Aug. | Patchy rain possible | 19° /12° | 3.3 mm | 4 | |
| 21 Aug. | Overcast | 19° /11° | 0.3 mm | 5 | |
| 22 Aug. | Cloudy | 19° /11° | 2.9 mm | 5 | |
| 23 Aug. | Moderate rain at times | 22° /11° | 0.7 mm | 5 | |
| 24 Aug. | Overcast | 23° /13° | 0.8 mm | 5 | |
| 25 Aug. | Light rain | 17° /14° | 5.3 mm | 4 | |
| 26 Aug. | Light rain shower | 21° /14° | 1.8 mm | 5 | |
| 27 Aug. | Partly cloudy | 24° /13° | 0.2 mm | 6 | |
| 28 Aug. | Mist | 22° /10° | 1.1 mm | 5 | |
| 29 Aug. | Patchy rain possible | 22° /10° | 1 mm | 5 | |
| 30 Aug. | Light rain shower | 22° /9° | 4 mm | 6 | |
| 31 Aug. | Overcast | 20° /11° | 4 mm | 5 | |
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Important Notice
Our weather forecast for Trois-Rivières in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trois-Rivières forecast closer to your planned date for the most up-to-date weather information.
Trois-Rivières in August - FAQ
What are the expected maximum and minimum temperatures in Trois-Rivières during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Trois-Rivières during August?
Significant rainfall exceeding 233.5 mm is expected in Trois-Rivières during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trois-Rivières during August?
The average wind speed in Trois-Rivières during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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