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Weather in Granby for August 2025

Your guide to Granby weather in August - trends and predictions
  • In general, the average temperature in Granby at the beginning of August is 23.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.1 °C by the end of August.

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

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Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Granby in August average weather

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Temperatures trend during August in Granby

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
23° /14° 1.9 mm 5
2 Aug. Cloudy
Cloudy
25° /14° 0 mm 6
3 Aug. Heavy rain at times
Heavy rain at times
25° /17° 7.1 mm 6
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 19.8 mm 6
5 Aug. Patchy rain possible
Patchy rain possible
20° /13° 11.3 mm 5
6 Aug. Overcast
Overcast
23° /12° 0 mm 5
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /12° 5.3 mm 6
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /13° 22.2 mm 5
9 Aug. Patchy rain possible
Patchy rain possible
21° /15° 19.2 mm 5
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /15° 13.1 mm 6
11 Aug. Moderate rain at times
Moderate rain at times
20° /13° 9.1 mm 5
12 Aug. Patchy rain possible
Patchy rain possible
21° /11° 2.5 mm 5
13 Aug. Moderate rain at times
Moderate rain at times
24° /13° 4 mm 5
14 Aug. Patchy rain possible
Patchy rain possible
24° /14° 2.3 mm 5
15 Aug. Patchy rain possible
Patchy rain possible
23° /15° 4.4 mm 5
16 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 8.9 mm 6
17 Aug. Patchy rain possible
Patchy rain possible
26° /17° 3.3 mm 6
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 16.8 mm 6
19 Aug. Heavy rain at times
Heavy rain at times
18° /12° 11.5 mm 4
20 Aug. Heavy rain at times
Heavy rain at times
19° /11° 3.8 mm 5
21 Aug. Overcast
Overcast
17° /12° 5.1 mm 4
22 Aug. Cloudy
Cloudy
19° /10° 2.7 mm 5
23 Aug. Overcast
Overcast
22° /10° 0 mm 5
24 Aug. Overcast
Overcast
24° /12° 1.2 mm 5
25 Aug. Light rain
Light rain
20° /14° 2.2 mm 5
26 Aug. Light rain shower
Light rain shower
21° /14° 5.5 mm 5
27 Aug. Mist
Mist
22° /13° 0 mm 5
28 Aug. Mist
Mist
21° /10° 3.4 mm 5
29 Aug. Light rain shower
Light rain shower
23° /10° 2.4 mm 6
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /10° 5.4 mm 6
31 Aug. Cloudy
Cloudy
19° /9° 3 mm 5
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Important Notice
Our weather forecast for Granby 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 Granby forecast closer to your planned date for the most up-to-date weather information.

Granby in August - FAQ

What are the expected maximum and minimum temperatures in Granby during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Granby during August?
Significant rainfall exceeding 233.5 mm is expected in Granby during August, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Granby during August?
The average wind speed in Granby during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is Granby?

Get accurate weather forecasts for Granby, located at latitude 45.4 and longitude -72.732. Stay updated with localized weather information tailored for Granby.

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