Average annual temperature is 10.9 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -24.2 °C
Number of sunny days: 156 days
Number of rainy days: 195 days
Number of snow days: 14 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) | 12.3 | 14.1 | 15.8 | 33.4 | 30.9 | 34.1 | 32.0 | 29.4 | 34.3 | 27.4 | 18.6 | 16.1 |
| Average daytime temperature (°C) | 5.6 | 5.7 | 8.4 | 17.3 | 21.7 | 25.1 | 28.4 | 25.7 | 23.1 | 18.1 | 8.7 | 7.4 |
| Average temperature (°C) | 1.6 | 0.1 | 2.9 | 10.5 | 14.7 | 18.9 | 23.1 | 20.6 | 18.2 | 13.1 | 3.7 | 2.9 |
| Average night temperature (°C) | -1.5 | -4.6 | -1.7 | 5.1 | 8.0 | 13.7 | 19.1 | 16.6 | 14.5 | 9.3 | 0.0 | 0.0 |
| Absolute minimum temperature (°C) | -6.5 | -24.2 | -6.6 | -3.5 | 0.5 | 7.8 | 13.5 | 12.4 | 7.8 | 2.5 | -5.0 | -6.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 6.4 | 7.4 | 8.3 | 11.7 | 9.9 | 10.2 | 9.4 | 7.5 | 7.4 | 7.1 | 4.7 |
| Precipitation (mm) | 154 | 50 | 109 | 96 | 77 | 110 | 273 | 179 | 230 | 103 | 47 | 171 |
| Sunny days | 10 | 12 | 13 | 14 | 20 | 6 | 5 | 8 | 16 | 17 | 20 | 15 |
| Rainy days | 17 | 12 | 14 | 16 | 11 | 24 | 26 | 23 | 14 | 14 | 9 | 15 |
| Snow days | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Granby during the most sunny months:
The largest precipitation sum in Granby is at