Average annual temperature is 16.3 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 203 days
Number of rainy days: 161 days
Number of snow days: 1 day
Look at detailed online map of Willis
* Weather data for Willis 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) | 21.2 | 23.5 | 24.9 | 28.3 | 31.6 | 38.0 | 38.2 | 41.3 | 34.4 | 31.4 | 27.6 | 19.5 |
| Average daytime temperature (°C) | 11.2 | 14.2 | 15.9 | 21.5 | 27.1 | 31.3 | 33.8 | 33.7 | 30.3 | 22.6 | 16.4 | 12.6 |
| Average temperature (°C) | 5.9 | 7.6 | 9.5 | 14.9 | 20.3 | 24.6 | 27.3 | 27.2 | 23.4 | 17.0 | 10.2 | 7.3 |
| Average night temperature (°C) | 1.8 | 2.8 | 4.8 | 9.4 | 15.0 | 18.6 | 22.3 | 22.2 | 17.7 | 12.9 | 5.6 | 3.6 |
| Absolute minimum temperature (°C) | -6.3 | -8.9 | -5.4 | 2.9 | 7.1 | 13.5 | 17.2 | 16.0 | 12.8 | -0.9 | -3.0 | -3.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 7.3 | 7.6 | 9.9 | 11.1 | 12.7 | 11.4 | 11.0 | 10.8 | 7.9 | 7.8 | 6.5 |
| Precipitation (mm) | 60 | 80 | 197 | 53 | 138 | 77 | 71 | 87 | 34 | 73 | 38 | 60 |
| Sunny days | 17 | 19 | 14 | 17 | 15 | 14 | 12 | 15 | 21 | 19 | 21 | 19 |
| Rainy days | 13 | 9 | 17 | 13 | 16 | 16 | 19 | 16 | 9 | 12 | 9 | 12 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Willis during the most sunny months:
The largest precipitation sum in Willis is at