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Weather in Laval for August 2025

Your guide to Laval weather in August - trends and predictions
  • In general, the average temperature in Laval at the beginning of August is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.1 °C by the end of August.

  • Expect significant rainfall in Laval during August, with an average of 17 rainy days.

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Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/14°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Laval in August average weather

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Temperatures trend during August in Laval

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° /15° 1.1 mm 6
2 Aug. Cloudy
Cloudy
27° /15° 0 mm 7
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /18° 11.7 mm 6
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /17° 9.9 mm 6
5 Aug. Patchy rain possible
Patchy rain possible
23° /14° 4.8 mm 6
6 Aug. Cloudy
Cloudy
25° /13° 0 mm 6
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
23° /14° 15.1 mm 6
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /14° 27.4 mm 6
9 Aug. Partly cloudy
Partly cloudy
23° /16° 46 mm 6
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 13.1 mm 6
11 Aug. Patchy rain possible
Patchy rain possible
22° /14° 2.6 mm 5
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /12° 5.1 mm 5
13 Aug. Patchy rain possible
Patchy rain possible
25° /15° 1 mm 6
14 Aug. Overcast
Overcast
25° /15° 0.4 mm 6
15 Aug. Patchy rain possible
Patchy rain possible
25° /15° 1.8 mm 6
16 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /17° 4.7 mm 6
17 Aug. Moderate rain at times
Moderate rain at times
25° /17° 2.1 mm 6
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /17° 21.3 mm 6
19 Aug. Heavy rain at times
Heavy rain at times
19° /13° 10.9 mm 5
20 Aug. Patchy rain possible
Patchy rain possible
22° /12° 2.9 mm 5
21 Aug. Overcast
Overcast
19° /14° 2.9 mm 4
22 Aug. Patchy rain possible
Patchy rain possible
21° /11° 3.6 mm 5
23 Aug. Partly cloudy
Partly cloudy
23° /13° 0 mm 6
24 Aug. Overcast
Overcast
25° /14° 1.6 mm 6
25 Aug. Light rain
Light rain
20° /14° 4.4 mm 5
26 Aug. Light rain
Light rain
22° /15° 4.2 mm 5
27 Aug. Partly cloudy
Partly cloudy
24° /14° 0 mm 7
28 Aug. Mist
Mist
22° /13° 6.4 mm 5
29 Aug. Light rain shower
Light rain shower
25° /12° 1.5 mm 6
30 Aug. Light rain shower
Light rain shower
21° /11° 1.8 mm 5
31 Aug. Partly cloudy
Partly cloudy
21° /13° 3.5 mm 5
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Important Notice
Our weather forecast for Laval 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 Laval forecast closer to your planned date for the most up-to-date weather information.

Laval in August - FAQ

What are the expected maximum and minimum temperatures in Laval during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Laval during August?
Significant rainfall exceeding 220.6 mm is expected in Laval during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Laval during August?
The average wind speed in Laval during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is Laval?

Get accurate weather forecasts for Laval, located at latitude 45.57 and longitude -73.692. Stay updated with localized weather information tailored for Laval.

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