Average annual temperature is 9.9 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -27.4 °C
Number of sunny days: 193 days
Number of rainy days: 147 days
Number of snow days: 25 days
Look at detailed online map of Town of Sun Prairie
* Weather data for Town of Sun Prairie 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) | 7.2 | 9.0 | 19.4 | 25.1 | 31.9 | 32.4 | 32.1 | 35.6 | 33.4 | 28.0 | 17.4 | 12.1 |
| Average daytime temperature (°C) | 0.7 | 2.5 | 5.8 | 14.5 | 22.3 | 27.5 | 27.7 | 27.0 | 23.8 | 15.3 | 7.9 | 4.9 |
| Average temperature (°C) | -2.9 | -2.8 | 0.4 | 8.3 | 15.2 | 20.9 | 22.4 | 21.7 | 18.8 | 11.3 | 3.3 | 1.5 |
| Average night temperature (°C) | -5.5 | -6.9 | -3.9 | 3.1 | 9.1 | 14.8 | 17.4 | 17.2 | 14.9 | 7.7 | -0.2 | -1.1 |
| Absolute minimum temperature (°C) | -27.4 | -23.9 | -15.1 | -3.2 | 0.1 | 6.5 | 11.8 | 9.4 | 8.0 | -3.1 | -12.2 | -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 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.1 |
| 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) | 3.5 | 6.8 | 6.8 | 8.2 | 10.9 | 11.9 | 12.7 | 11.3 | 9.1 | 7.0 | 6.7 | 4.2 |
| Precipitation (mm) | 52 | 76 | 99 | 109 | 46 | 33 | 92 | 121 | 74 | 91 | 37 | 52 |
| Sunny days | 13 | 15 | 15 | 16 | 22 | 20 | 15 | 17 | 12 | 11 | 22 | 15 |
| Rainy days | 11 | 8 | 9 | 14 | 9 | 10 | 16 | 14 | 18 | 19 | 7 | 12 |
| Snow days | 7 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 |
The best time to visit Town of Sun Prairie during the most sunny months:
Months with the longest average daylight duration in Town of Sun Prairie:
The largest precipitation sum in Town of Sun Prairie is at