Average annual temperature is 2.9 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -22.7 °C
Number of sunny days: 168 days
Number of rainy days: 110 days
Number of snow days: 87 days
Look at detailed online map of Granby
* Weather data for Granby United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 4.7 | 6.1 | 7.3 | 14.7 | 20.3 | 24.7 | 28.9 | 29.5 | 26.6 | 21.0 | 11.1 | 5.9 |
| Average daytime temperature (°C) | -2.4 | -0.6 | 1.1 | 7.1 | 15.0 | 19.2 | 25.2 | 24.5 | 20.3 | 12.7 | 5.1 | 0.8 |
| Average temperature (°C) | -7.3 | -7.9 | -5.4 | -0.6 | 6.7 | 11.1 | 16.6 | 15.8 | 11.6 | 4.8 | -3.8 | -7.5 |
| Average night temperature (°C) | -11.2 | -13.2 | -10.9 | -6.7 | -0.7 | 3.3 | 8.7 | 8.7 | 4.5 | -1.1 | -10.0 | -14.1 |
| Absolute minimum temperature (°C) | -20.1 | -21.0 | -20.0 | -16.7 | -4.5 | 1.1 | 4.7 | 6.0 | 0.6 | -15.4 | -22.5 | -22.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 8.0 | 9.1 | 10.8 | 12.0 | 11.4 | 13.2 | 12.1 | 11.0 | 9.2 | 7.7 | 6.3 |
| Precipitation (mm) | 60 | 27 | 57 | 38 | 28 | 70 | 28 | 55 | 15 | 43 | 20 | 43 |
| Sunny days | 6 | 14 | 8 | 17 | 8 | 11 | 14 | 12 | 21 | 21 | 21 | 15 |
| Rainy days | 1 | 1 | 3 | 6 | 21 | 19 | 17 | 19 | 9 | 8 | 3 | 3 |
| Snow days | 24 | 13 | 20 | 7 | 2 | 0 | 0 | 0 | 0 | 2 | 6 | 13 |
The best time to visit Granby during the most sunny months:
The largest precipitation sum in Granby is at