Average annual temperature is 9.7 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -27.1 °C
Number of sunny days: 200 days
Number of rainy days: 129 days
Number of snow days: 36 days
Look at detailed online map of Lake Mills
* Weather data for Lake Mills 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) | 4.2 | 9.1 | 16.4 | 27.3 | 30.8 | 31.6 | 33.9 | 36.9 | 34.3 | 30.2 | 18.2 | 11.6 |
| Average daytime temperature (°C) | -3.0 | 0.2 | 4.9 | 14.4 | 23.7 | 28.1 | 27.9 | 28.4 | 25.7 | 15.8 | 9.1 | 5.0 |
| Average temperature (°C) | -6.7 | -5.5 | -0.7 | 8.0 | 17.2 | 22.3 | 22.1 | 22.8 | 19.9 | 11.2 | 3.7 | 0.6 |
| Average night temperature (°C) | -10.0 | -10.1 | -4.8 | 3.3 | 11.2 | 16.7 | 16.7 | 18.1 | 15.1 | 7.5 | -0.2 | -2.3 |
| Absolute minimum temperature (°C) | -25.8 | -27.1 | -15.1 | -5.3 | 0.9 | 9.2 | 10.8 | 11.8 | 8.2 | -5.6 | -13.1 | -8.0 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 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) | 3.9 | 6.7 | 7.0 | 8.8 | 11.9 | 12.4 | 12.4 | 11.5 | 9.9 | 7.3 | 6.6 | 4.5 |
| Precipitation (mm) | 58 | 49 | 64 | 87 | 82 | 36 | 47 | 73 | 78 | 106 | 6 | 47 |
| Sunny days | 18 | 16 | 14 | 15 | 17 | 14 | 16 | 15 | 15 | 16 | 22 | 22 |
| Rainy days | 5 | 6 | 6 | 13 | 14 | 16 | 15 | 16 | 15 | 12 | 6 | 5 |
| Snow days | 8 | 6 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 4 |
The best time to visit Lake Mills during the most sunny months:
Months with the longest average daylight duration in Lake Mills:
The largest precipitation sum in Lake Mills is at