Average annual temperature is 8.2 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -27.7 °C
Number of sunny days: 177 days
Number of rainy days: 150 days
Number of snow days: 38 days
Look at detailed online map of Town of Grantsburg
* Weather data for Town of Grantsburg 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) | 3.7 | 5.8 | 6.2 | 26.3 | 31.5 | 32.2 | 32.8 | 34.2 | 35.0 | 29.7 | 17.3 | 11.4 |
| Average daytime temperature (°C) | -3.6 | -1.2 | 1.8 | 10.5 | 23.0 | 27.9 | 27.0 | 27.0 | 24.1 | 14.2 | 6.1 | 3.8 |
| Average temperature (°C) | -7.1 | -7.0 | -3.0 | 4.6 | 15.9 | 21.5 | 21.2 | 21.3 | 18.6 | 9.9 | 1.7 | 0.1 |
| Average night temperature (°C) | -10.2 | -12.0 | -7.3 | 0.2 | 10.1 | 16.0 | 16.0 | 16.4 | 14.6 | 6.3 | -1.8 | -2.5 |
| Absolute minimum temperature (°C) | -24.5 | -27.7 | -15.8 | -9.5 | 0.1 | 8.6 | 12.1 | 11.1 | 5.9 | -5.5 | -14.0 | -11.2 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 7.3 | 6.6 | 7.2 | 11.2 | 12.5 | 12.1 | 11.2 | 8.3 | 6.8 | 5.4 | 4.0 |
| Precipitation (mm) | 52 | 57 | 56 | 144 | 40 | 81 | 85 | 73 | 164 | 97 | 8 | 58 |
| Sunny days | 16 | 17 | 13 | 11 | 15 | 16 | 8 | 18 | 9 | 15 | 21 | 18 |
| Rainy days | 3 | 7 | 6 | 17 | 16 | 14 | 23 | 13 | 21 | 15 | 7 | 8 |
| Snow days | 12 | 4 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 |
The best time to visit Town of Grantsburg during the most sunny months:
Months with the longest average daylight duration in Town of Grantsburg:
The largest precipitation sum in Town of Grantsburg is at