Average annual temperature is 14.4 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 194 days
Number of rainy days: 166 days
Number of snow days: 5 days
Look at detailed online map of Grantfork
* Weather data for Grantfork 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) | 19.8 | 20.5 | 22.7 | 28.4 | 31.4 | 34.9 | 36.5 | 37.2 | 32.1 | 29.8 | 26.0 | 17.3 |
| Average daytime temperature (°C) | 7.9 | 11.0 | 12.8 | 20.5 | 25.8 | 30.0 | 31.1 | 29.5 | 27.0 | 20.3 | 13.8 | 9.6 |
| Average temperature (°C) | 3.3 | 5.0 | 6.7 | 13.6 | 19.5 | 23.7 | 25.6 | 24.4 | 21.4 | 15.1 | 8.2 | 5.4 |
| Average night temperature (°C) | 0.2 | 0.6 | 2.2 | 8.0 | 13.9 | 18.0 | 21.0 | 20.2 | 16.7 | 10.9 | 3.9 | 2.5 |
| Absolute minimum temperature (°C) | -11.7 | -10.9 | -7.3 | 0.9 | 6.4 | 12.3 | 17.1 | 13.6 | 11.3 | -1.8 | -6.1 | -6.3 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.8 | 7.5 | 7.1 | 10.2 | 11.0 | 12.6 | 12.0 | 9.9 | 10.4 | 7.6 | 7.8 | 5.3 |
| Precipitation (mm) | 73 | 61 | 190 | 89 | 81 | 81 | 96 | 100 | 43 | 59 | 21 | 81 |
| Sunny days | 14 | 16 | 12 | 18 | 20 | 20 | 9 | 11 | 17 | 17 | 23 | 17 |
| Rainy days | 12 | 12 | 19 | 12 | 11 | 10 | 22 | 20 | 13 | 14 | 7 | 14 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grantfork during the most sunny months:
The largest precipitation sum in Grantfork is at