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Weather in Outaouais for August 2025

Your guide to Outaouais weather in August - trends and predictions
  • In general, the average temperature in Outaouais at the beginning of August is 24.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.3 °C by the end of August.

  • Outaouais experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/13°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Outaouais in August average weather

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Temperatures trend during August in Outaouais

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
Patchy rain possible
25° /14° 0.6 mm 6
2 Aug. Overcast
Overcast
27° /14° 0 mm 7
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /17° 19.6 mm 6
4 Aug. Patchy rain possible
Patchy rain possible
27° /16° 2.1 mm 6
5 Aug. Overcast
Overcast
23° /14° 3 mm 5
6 Aug. Overcast
Overcast
24° /12° 0 mm 6
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /13° 7.8 mm 5
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /13° 22.1 mm 5
9 Aug. Patchy rain possible
Patchy rain possible
24° /15° 10.2 mm 5
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /13° 11.8 mm 5
11 Aug. Patchy rain possible
Patchy rain possible
21° /11° 4.2 mm 5
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /12° 11.8 mm 5
13 Aug. Patchy rain possible
Patchy rain possible
24° /13° 0.8 mm 5
14 Aug. Patchy rain possible
Patchy rain possible
25° /14° 0.8 mm 6
15 Aug. Patchy rain possible
Patchy rain possible
25° /14° 0.2 mm 6
16 Aug. Patchy rain possible
Patchy rain possible
27° /15° 0.5 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
24° /17° 7 mm 6
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /15° 18 mm 5
19 Aug. Overcast
Overcast
18° /12° 1.5 mm 4
20 Aug. Cloudy
Cloudy
21° /11° 0.2 mm 5
21 Aug. Patchy rain possible
Patchy rain possible
21° /12° 0.7 mm 5
22 Aug. Patchy rain possible
Patchy rain possible
22° /10° 0.4 mm 5
23 Aug. Patchy rain possible
Patchy rain possible
24° /13° 0.1 mm 6
24 Aug. Patchy rain possible
Patchy rain possible
23° /12° 1.4 mm 5
25 Aug. Fog
Fog
22° /13° 2.2 mm 5
26 Aug. Light rain shower
Light rain shower
24° /14° 6.6 mm 6
27 Aug. Cloudy
Cloudy
25° /12° 0.2 mm 6
28 Aug. Mist
Mist
21° /11° 1.7 mm 5
29 Aug. Patchy rain possible
Patchy rain possible
23° /9° 0.8 mm 6
30 Aug. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
19° /10° 1.1 mm 4
31 Aug. Partly cloudy
Partly cloudy
22° /11° 2.1 mm 6
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Important Notice
Our weather forecast for Outaouais 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 Outaouais forecast closer to your planned date for the most up-to-date weather information.

Outaouais in August - FAQ

What are the expected maximum and minimum temperatures in Outaouais 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 Outaouais during August?
Significant rainfall exceeding 195.6 mm is expected in Outaouais during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Outaouais during August?
The average wind speed in Outaouais during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Outaouais?

Get accurate weather forecasts for Outaouais, located at latitude 45.477 and longitude -75.702. Stay updated with localized weather information tailored for Outaouais.

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