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Weather in Saint-Hyacinthe for August 2025

Your guide to Saint-Hyacinthe weather in August - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • Saint-Hyacinthe experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 208.1 mm.

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Average dry days
5
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/14°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Saint-Hyacinthe in August average weather

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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

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
24° /14° 1.4 mm 6
2 Aug. Cloudy
Cloudy
25° /14° 0 mm 6
3 Aug. Heavy rain at times
Heavy rain at times
25° /17° 9.6 mm 6
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /16° 20 mm 6
5 Aug. Patchy rain possible
Patchy rain possible
22° /13° 8.6 mm 5
6 Aug. Overcast
Overcast
24° /12° 0 mm 6
7 Aug. Heavy rain at times
Heavy rain at times
22° /12° 6.8 mm 6
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /13° 24.9 mm 6
9 Aug. Overcast
Overcast
22° /15° 22.2 mm 5
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /15° 16.7 mm 6
11 Aug. Patchy rain possible
Patchy rain possible
22° /13° 4.6 mm 5
12 Aug. Patchy rain possible
Patchy rain possible
21° /12° 3.5 mm 5
13 Aug. Patchy rain possible
Patchy rain possible
24° /14° 2.1 mm 6
14 Aug. Patchy rain possible
Patchy rain possible
24° /14° 1.3 mm 6
15 Aug. Patchy rain possible
Patchy rain possible
24° /15° 3.8 mm 6
16 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /16° 10.1 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
25° /17° 3.8 mm 6
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /17° 15.3 mm 6
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /12° 13.9 mm 4
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /12° 5.8 mm 5
21 Aug. Overcast
Overcast
18° /13° 3.9 mm 4
22 Aug. Cloudy
Cloudy
20° /10° 3.3 mm 5
23 Aug. Overcast
Overcast
22° /11° 0 mm 5
24 Aug. Overcast
Overcast
24° /12° 1.1 mm 6
25 Aug. Fog
Fog
19° /14° 0.7 mm 5
26 Aug. Light rain shower
Light rain shower
21° /14° 4.6 mm 5
27 Aug. Overcast
Overcast
24° /13° 0 mm 6
28 Aug. Mist
Mist
22° /10° 7.2 mm 5
29 Aug. Light rain shower
Light rain shower
22° /10° 4.4 mm 6
30 Aug. Light rain shower
Light rain shower
22° /10° 5.2 mm 6
31 Aug. Overcast
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 22° and cooler nights around 14°. 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 208.1 mm is expected in Saint-Hyacinthe during August, occurring over more than 26 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 16 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Saint-Hyacinthe

Explore the daily rainfall trends and prepare for Saint-Hyacinthes August weather 💧

UV exposure in Saint-Hyacinthe during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Saint-Hyacinthe?

Get accurate weather forecasts for Saint-Hyacinthe, located at latitude 45.631 and longitude -72.957. Stay updated with localized weather information tailored for Saint-Hyacinthe.

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