Saguenay/Lac-Saint-Jean
August
Weather in Saguenay/Lac-Saint-Jean for August 2025
Your guide to Saguenay/Lac-Saint-Jean weather in August - trends and predictions
In general, the average temperature in Saguenay/Lac-Saint-Jean at the beginning of August is 21.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 20.9 °C by the end of August.
Saguenay/Lac-Saint-Jean experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
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8
Dry days
23
Rainy days
0
Snow days
21°/12°
Temperatures
13 km/h
Avg max wind
81 %
Avg humidity
Saguenay/Lac-Saint-Jean in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 26° | 3  21° | ||||
| 4  22° | 5 19° | 6 20° | 7  19° | 8 18° | 9 18° | 10 24° |
| 11 21° | 12 21° | 13 23° | 14 23° | 15 22° | 16 25° | 17 26° |
| 18 21° | 19 20° | 20 21° | 21  21° | 22 19° | 23 23° | 24 23° |
| 25  23° | 26 22° | 27  24° | 28 20° | 29 21° | 30 19° | 31 17° |
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Temperatures trend during August in Saguenay/Lac-Saint-Jean
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 | 22° /12° | 0.2 mm | 5 | |
| 2 Aug. | Patchy rain possible | 26° /13° | 2.8 mm | 6 | |
| 3 Aug. | Moderate or heavy rain shower | 21° /14° | 16.9 mm | 5 | |
| 4 Aug. | Heavy rain at times | 22° /13° | 4.3 mm | 5 | |
| 5 Aug. | Heavy rain at times | 19° /10° | 3.7 mm | 5 | |
| 6 Aug. | Patchy rain possible | 20° /11° | 0.7 mm | 5 | |
| 7 Aug. | Overcast | 19° /10° | 0.3 mm | 5 | |
| 8 Aug. | Moderate or heavy rain shower | 18° /10° | 29.7 mm | 5 | |
| 9 Aug. | Moderate or heavy rain shower | 18° /13° | 15.2 mm | 4 | |
| 10 Aug. | Heavy rain at times | 24° /13° | 4 mm | 6 | |
| 11 Aug. | Heavy rain at times | 21° /13° | 8.4 mm | 5 | |
| 12 Aug. | Patchy rain possible | 21° /12° | 1.9 mm | 5 | |
| 13 Aug. | Moderate or heavy rain shower | 23° /13° | 7.4 mm | 6 | |
| 14 Aug. | Moderate or heavy rain shower | 23° /13° | 2.3 mm | 5 | |
| 15 Aug. | Patchy rain possible | 22° /13° | 2.3 mm | 5 | |
| 16 Aug. | Overcast | 25° /13° | 1 mm | 6 | |
| 17 Aug. | Patchy rain possible | 26° /15° | 1.4 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 21° /16° | 12.7 mm | 5 | |
| 19 Aug. | Moderate or heavy rain shower | 20° /12° | 40.2 mm | 5 | |
| 20 Aug. | Patchy rain possible | 21° /11° | 0.9 mm | 5 | |
| 21 Aug. | Cloudy | 21° /9° | 0.2 mm | 5 | |
| 22 Aug. | Patchy rain possible | 19° /9° | 0.1 mm | 4 | |
| 23 Aug. | Overcast | 23° /8° | 0 mm | 5 | |
| 24 Aug. | Overcast | 23° /12° | 0 mm | 5 | |
| 25 Aug. | Light rain | 23° /12° | 4.5 mm | 5 | |
| 26 Aug. | Light rain shower | 22° /12° | 1.8 mm | 5 | |
| 27 Aug. | Fog | 24° /10° | 2.2 mm | 6 | |
| 28 Aug. | Cloudy | 20° /8° | 0 mm | 5 | |
| 29 Aug. | Overcast | 21° /8° | 0 mm | 5 | |
| 30 Aug. | Light rain | 19° /8° | 2.8 mm | 5 | |
| 31 Aug. | Mist | 17° /9° | 6.8 mm | 4 | |
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Important Notice
Our weather forecast for Saguenay/Lac-Saint-Jean 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 Saguenay/Lac-Saint-Jean forecast closer to your planned date for the most up-to-date weather information.
Saguenay/Lac-Saint-Jean in August - FAQ
What are the expected maximum and minimum temperatures in Saguenay/Lac-Saint-Jean during August?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saguenay/Lac-Saint-Jean during August?
Significant rainfall exceeding 225.9 mm is expected in Saguenay/Lac-Saint-Jean during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saguenay/Lac-Saint-Jean during August?
The average wind speed in Saguenay/Lac-Saint-Jean during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
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