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Weather in Granby for May 2026

Your guide to Granby weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Granby during May is quite rare, with fewer than 2 snowy days on average.
    According to Granby snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Sunday, 3 May.

    • Temperatures

  • The forecast for the first days of May 2026 in Granby predicts temperatures to be around 13 °C, close to the historical average.

  • In general, the average temperature in Granby at the beginning of May is 11 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °C by the end of May.

    • Rain 🌧️

  • Granby experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 111.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Granby Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
9°
2
Partly cloudy
10°
3
Patchy rain possible
9°
4
Patchy rain possible
9°
5
Patchy rain possible
16°
6
Patchy rain possible
12°
7
Patchy rain possible
12°
8
Patchy rain possible
8°
9
Patchy rain possible
12°
10
Cloudy
15°
11
Partly cloudy
19°
12
Partly cloudy
25°
13
Cloudy
19°
14
Overcast
18°
15
Cloudy
21°
16
Moderate or heavy rain shower
19°
17
Patchy rain possible
18°
18
Sunny
15°
19
Overcast
16°
20
Overcast
17°
21
Patchy rain possible
19°
22
Sunny
17°
23
Sunny
18°
24
Moderate or heavy rain shower
12°
25
Partly cloudy
16°
26
Partly cloudy
21°
27
Partly cloudy
23°
28
Sunny
24°
29
Sunny
19°
30
Partly cloudy
20°
31
Sunny
22°

Temperatures trend during May in Granby

See the weather trend as well as the moving average line

May weather in Granby day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Patchy rain possible
Patchy rain possible
 9° /2° 0.2 mm 0 cm
2 May Partly cloudy
Partly cloudy
 10° /-1° 0.1 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 9° /-1° 4 mm 2.3 cm
4 May Patchy rain possible
Patchy rain possible
 9° /0° 0.7 mm 0 cm
5 May Patchy rain possible
Patchy rain possible
 16° /2° 1.9 mm 0 cm
6 May Patchy rain possible
Patchy rain possible
 12° /5° 0.1 mm 0 cm
7 May Patchy rain possible
Patchy rain possible
 12° /2° 0.1 mm 0 cm
8 May Patchy rain possible
Patchy rain possible
 8° /5° 3.4 mm 0 cm
9 May Patchy rain possible
Patchy rain possible
 12° /1° 0.1 mm 0 cm
10 May Cloudy
Cloudy
 15° /2° 0 mm 0 cm
11 May Partly cloudy
Partly cloudy
 19° /5° 0 mm 0 cm
12 May Partly cloudy
Partly cloudy
 25° /11° 0 mm 0 cm
13 May Cloudy
Cloudy
 19° /7° 1.2 mm 0 cm
14 May Overcast
Overcast
 18° /8° 6 mm 0 cm
15 May Cloudy
Cloudy
 21° /9° 0.2 mm 0 cm
16 May Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /11° 7.4 mm 0 cm
17 May Patchy rain possible
Patchy rain possible
 18° /9° 3.4 mm 0 cm
18 May Sunny
Sunny
 15° /7° 13.1 mm 0 cm
19 May Overcast
Overcast
 16° /6° 8.4 mm 0 cm
20 May Overcast
Overcast
 17° /9° 2.1 mm 0 cm
21 May Patchy rain possible
Patchy rain possible
 19° /10° 3.9 mm 0 cm
22 May Sunny
Sunny
 17° /8° 5.4 mm 0 cm
23 May Sunny
Sunny
 18° /8° 0.3 mm 0 cm
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /4° 6.5 mm 0 cm
25 May Partly cloudy
Partly cloudy
 16° /4° 0 mm 0 cm
26 May Partly cloudy
Partly cloudy
 21° /7° 0 mm 0 cm
27 May Partly cloudy
Partly cloudy
 23° /9° 2.8 mm 0 cm
28 May Sunny
Sunny
 24° /12° 6.2 mm 0 cm
29 May Sunny
Sunny
 19° /11° 1.5 mm 0 cm
30 May Partly cloudy
Partly cloudy
 20° /9° 0 mm 0 cm
31 May Sunny
Sunny
 22° /9° 2.6 mm 0 cm
Next
Important Notice
Our weather forecast for Granby in May 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.
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Granby in May - FAQ

What are the expected maximum and minimum temperatures in Granby during May?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Granby during May?

Significant rainfall exceeding 111.3 mm is expected in Granby during May, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Granby during May?

The average wind speed in Granby during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Granby snow forecast May 2026

Track daily snowfall levels and discover Granby’s snowy potential this May ❄️

May rainfall patterns in Granby

Explore the daily rainfall trends and prepare for Granbys May weather 💧
Typically, Granby has 24 rainy days in May with a total of 111.3 mm of rainfall.

UV exposure in Granby during May

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

Quick links

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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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