Average annual temperature is 8.3 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -26.9 °C
Number of sunny days: 212 days
Number of rainy days: 116 days
Number of snow days: 37 days
Look at detailed online map of City of Willmar
* Weather data for City of Willmar 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) | 1.5 | 4.1 | 3.7 | 26.5 | 31.8 | 31.7 | 33.3 | 35.6 | 35.1 | 30.9 | 17.4 | 10.4 |
| Average daytime temperature (°C) | -5.2 | -3.4 | -0.5 | 9.7 | 23.0 | 28.7 | 27.7 | 27.7 | 25.2 | 14.4 | 7.8 | 4.1 |
| Average temperature (°C) | -8.4 | -8.8 | -4.8 | 4.2 | 16.8 | 22.9 | 21.9 | 22.3 | 19.8 | 10.1 | 2.5 | 0.0 |
| Average night temperature (°C) | -11.4 | -13.3 | -8.6 | 0.0 | 10.9 | 17.2 | 16.8 | 17.7 | 15.5 | 6.4 | -1.3 | -2.9 |
| Absolute minimum temperature (°C) | -26.9 | -26.7 | -17.5 | -10.1 | 0.9 | 10.6 | 11.9 | 12.6 | 8.8 | -5.4 | -12.3 | -10.6 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.1 | 7.0 | 6.6 | 8.7 | 11.6 | 13.2 | 12.7 | 11.7 | 10.1 | 7.6 | 6.8 | 4.7 |
| Precipitation (mm) | 37 | 46 | 53 | 83 | 32 | 57 | 62 | 49 | 84 | 146 | 6 | 79 |
| Sunny days | 19 | 18 | 19 | 14 | 21 | 15 | 17 | 19 | 15 | 14 | 23 | 18 |
| Rainy days | 4 | 4 | 3 | 13 | 10 | 15 | 14 | 12 | 15 | 15 | 5 | 6 |
| Snow days | 8 | 6 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 7 |
The best time to visit City of Willmar during the most sunny months:
Months with the longest average daylight duration in City of Willmar:
The largest precipitation sum in City of Willmar is at