Shawinigan
August
Weather in Shawinigan for August 2025
Your guide to Shawinigan weather in August - trends and predictions
In general, the average temperature in Shawinigan 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.
Shawinigan 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
Shawinigan 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 Shawinigan
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 Shawinigan 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 Shawinigan forecast closer to your planned date for the most up-to-date weather information.
Shawinigan in August - FAQ
What are the expected maximum and minimum temperatures in Shawinigan 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 Shawinigan during August?
Significant rainfall exceeding 233.5 mm is expected in Shawinigan during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Shawinigan during August?
The average wind speed in Shawinigan during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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