Saint-Hyacinthe
August
Weather in Saint-Hyacinthe for August 2025
Your guide to Saint-Hyacinthe weather in August - trends and predictions
In general, the average temperature in Saint-Hyacinthe at the beginning of August is 23.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.4 °C by the end of August.
Expect significant rainfall in Saint-Hyacinthe during August, with an average of 20 rainy days.
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11
Dry days
20
Rainy days
0
Snow days
23°/13°
Temperatures
17 km/h
Avg max wind
84 %
Avg humidity
Saint-Hyacinthe in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  25° | 3  25° | ||||
| 4  25° | 5 22° | 6  24° | 7 22° | 8 24° | 9 22° | 10 24° |
| 11 22° | 12 21° | 13 24° | 14 24° | 15 24° | 16 25° | 17 25° |
| 18 24° | 19 19° | 20 20° | 21 18° | 22 20° | 23 22° | 24 24° |
| 25  19° | 26 21° | 27 24° | 28 22° | 29 22° | 30 22° | 31 20° |
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Temperatures trend during August in Saint-Hyacinthe
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 | 24° /14° | 1.4 mm | 6 | |
| 2 Aug. | Cloudy | 25° /14° | 0 mm | 6 | |
| 3 Aug. | Heavy rain at times | 25° /17° | 9.6 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 25° /16° | 20 mm | 6 | |
| 5 Aug. | Patchy rain possible | 22° /13° | 8.6 mm | 5 | |
| 6 Aug. | Overcast | 24° /12° | 0 mm | 6 | |
| 7 Aug. | Heavy rain at times | 22° /12° | 6.8 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 24° /13° | 24.9 mm | 6 | |
| 9 Aug. | Overcast | 22° /15° | 22.2 mm | 5 | |
| 10 Aug. | Moderate or heavy rain shower | 24° /15° | 16.7 mm | 6 | |
| 11 Aug. | Patchy rain possible | 22° /13° | 4.6 mm | 5 | |
| 12 Aug. | Patchy rain possible | 21° /12° | 3.5 mm | 5 | |
| 13 Aug. | Patchy rain possible | 24° /14° | 2.1 mm | 6 | |
| 14 Aug. | Patchy rain possible | 24° /14° | 1.3 mm | 6 | |
| 15 Aug. | Patchy rain possible | 24° /15° | 3.8 mm | 6 | |
| 16 Aug. | Moderate or heavy rain shower | 25° /16° | 10.1 mm | 6 | |
| 17 Aug. | Patchy rain possible | 25° /17° | 3.8 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 24° /17° | 15.3 mm | 6 | |
| 19 Aug. | Moderate or heavy rain shower | 19° /12° | 13.9 mm | 4 | |
| 20 Aug. | Moderate or heavy rain shower | 20° /12° | 5.8 mm | 5 | |
| 21 Aug. | Overcast | 18° /13° | 3.9 mm | 4 | |
| 22 Aug. | Cloudy | 20° /10° | 3.3 mm | 5 | |
| 23 Aug. | Overcast | 22° /11° | 0 mm | 5 | |
| 24 Aug. | Overcast | 24° /12° | 1.1 mm | 6 | |
| 25 Aug. | Fog | 19° /14° | 0.7 mm | 5 | |
| 26 Aug. | Light rain shower | 21° /14° | 4.6 mm | 5 | |
| 27 Aug. | Overcast | 24° /13° | 0 mm | 6 | |
| 28 Aug. | Mist | 22° /10° | 7.2 mm | 5 | |
| 29 Aug. | Light rain shower | 22° /10° | 4.4 mm | 6 | |
| 30 Aug. | Light rain shower | 22° /10° | 5.2 mm | 6 | |
| 31 Aug. | Overcast | 20° /11° | 3.2 mm | 5 | |
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Important Notice
Our weather forecast for Saint-Hyacinthe 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 Saint-Hyacinthe forecast closer to your planned date for the most up-to-date weather information.
Saint-Hyacinthe in August - FAQ
What are the expected maximum and minimum temperatures in Saint-Hyacinthe during August?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint-Hyacinthe during August?
Significant rainfall exceeding 245.3 mm is expected in Saint-Hyacinthe during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint-Hyacinthe during August?
The average wind speed in Saint-Hyacinthe during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
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