Willmar Climate: Weather by Month and Best Time to Visit
Best months for Willmar: September, August, July.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -6°C | -14°C | 22 mm | 5 | – | – | 4.4 |
| February | -3°C | -12°C | 23 mm | 5 | – | – | 4.4 |
| March | 4°C | -5°C | 46 mm | 7 | – | – | 4.8 |
| April | 14°C | 2°C | 78 mm | 10 | – | – | 6.4 |
| May | 21°C | 9°C | 104 mm | 12 | – | – | 7.1 |
| June | 26°C | 15°C | 136 mm | 13 | – | – | 7.2 |
| July | 28°C | 17°C | 95 mm | 10 | – | – | 7.7 |
| August | 26°C | 16°C | 97 mm | 9 | – | – | 7.8 |
| September | 23°C | 11°C | 83 mm | 9 | – | – | 7.9 |
| October | 15°C | 4°C | 64 mm | 8 | – | – | 6.8 |
| November | 5°C | -3°C | 40 mm | 6 | – | – | 5.2 |
| December | -3°C | -11°C | 29 mm | 6 | – | – | 4.4 |