Montérégie (Boucherville)
August
Weather in Montérégie for August 2025
Your guide to Montérégie weather in August - trends and predictions
In general, the average temperature in Montérégie at the beginning of August is 25.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.1 °C by the end of August.
Expect significant rainfall in Montérégie during August, with an average of 20 rainy days.
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11
Dry days
20
Rainy days
0
Snow days
23°/14°
Temperatures
16 km/h
Avg max wind
81 %
Avg humidity
Montérégie in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  27° | 3  27° | ||||
| 4 27° | 5 23° | 6 24° | 7  23° | 8 24° | 9 23° | 10 24° |
| 11 22° | 12 22° | 13 25° | 14 25° | 15 25° | 16 26° | 17 24° |
| 18 24° | 19 19° | 20 21° | 21 18° | 22 19° | 23 23° | 24 25° |
| 25  20° | 26 23° | 27  24° | 28  22° | 29 23° | 30 22° | 31  21° |
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Temperatures trend during August in Montérégie
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 | 25° /15° | 0.5 mm | 6 | |
| 2 Aug. | Overcast | 27° /15° | 0 mm | 7 | |
| 3 Aug. | Moderate or heavy rain shower | 27° /18° | 11.9 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 27° /17° | 16 mm | 6 | |
| 5 Aug. | Patchy rain possible | 23° /14° | 6.2 mm | 5 | |
| 6 Aug. | Overcast | 24° /13° | 0 mm | 6 | |
| 7 Aug. | Heavy rain at times | 23° /13° | 12.8 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 24° /14° | 25.1 mm | 6 | |
| 9 Aug. | Patchy rain possible | 23° /16° | 36.9 mm | 5 | |
| 10 Aug. | Moderate or heavy rain shower | 24° /16° | 18.9 mm | 6 | |
| 11 Aug. | Patchy rain possible | 22° /14° | 2.6 mm | 5 | |
| 12 Aug. | Moderate or heavy rain shower | 22° /13° | 4.4 mm | 5 | |
| 13 Aug. | Patchy rain possible | 25° /15° | 1.5 mm | 6 | |
| 14 Aug. | Patchy rain possible | 25° /15° | 0.7 mm | 6 | |
| 15 Aug. | Patchy rain possible | 25° /15° | 1.3 mm | 6 | |
| 16 Aug. | Moderate or heavy rain shower | 26° /17° | 8.2 mm | 6 | |
| 17 Aug. | Moderate rain at times | 24° /18° | 2.7 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 24° /17° | 15.7 mm | 6 | |
| 19 Aug. | Moderate or heavy rain shower | 19° /13° | 13.6 mm | 4 | |
| 20 Aug. | Patchy rain possible | 21° /12° | 4.3 mm | 5 | |
| 21 Aug. | Overcast | 18° /14° | 3.2 mm | 4 | |
| 22 Aug. | Patchy rain possible | 19° /12° | 4.2 mm | 5 | |
| 23 Aug. | Overcast | 23° /12° | 0 mm | 5 | |
| 24 Aug. | Overcast | 25° /13° | 0.9 mm | 6 | |
| 25 Aug. | Light drizzle | 20° /15° | 1.5 mm | 5 | |
| 26 Aug. | Light rain shower | 23° /15° | 4.1 mm | 5 | |
| 27 Aug. | Cloudy | 24° /14° | 0 mm | 6 | |
| 28 Aug. | Mist | 22° /11° | 5 mm | 5 | |
| 29 Aug. | Light rain shower | 23° /12° | 4.1 mm | 6 | |
| 30 Aug. | Light rain shower | 22° /11° | 2.8 mm | 5 | |
| 31 Aug. | Partly cloudy | 21° /12° | 2.4 mm | 5 | |
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Important Notice
Our weather forecast for Montérégie 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 Montérégie forecast closer to your planned date for the most up-to-date weather information.
Montérégie in August - FAQ
What are the expected maximum and minimum temperatures in Montérégie during August?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Montérégie during August?
Significant rainfall exceeding 249.9 mm is expected in Montérégie during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Montérégie during August?
The average wind speed in Montérégie during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Montérégie
Explore the daily rainfall trends and prepare for Montérégies August weather 💧
UV exposure in Montérégie during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in Montérégie
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BeloeilBouchervilleBrossardChamblyGranbyLongueuilSaint-HyacintheSaint-Jean-sur-RichelieuSalaberry-de-ValleyfieldWarden
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