Average annual temperature is 9.8 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 197 days
Number of rainy days: 136 days
Number of snow days: 32 days
Look at detailed online map of Lake Delton
* Weather data for Lake Delton 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) | 6.1 | 9.1 | 11.1 | 25.9 | 31.6 | 33.6 | 32.5 | 35.5 | 33.8 | 28.7 | 16.7 | 11.0 |
| Average daytime temperature (°C) | 0.4 | 2.5 | 5.9 | 14.4 | 22.7 | 28.1 | 28.2 | 27.4 | 24.1 | 15.2 | 7.7 | 4.9 |
| Average temperature (°C) | -3.3 | -3.0 | 0.2 | 8.1 | 15.5 | 21.4 | 22.5 | 21.8 | 18.7 | 11.1 | 3.1 | 1.2 |
| Average night temperature (°C) | -6.0 | -7.6 | -4.0 | 3.2 | 9.1 | 14.8 | 16.9 | 16.9 | 14.6 | 7.3 | -0.6 | -1.5 |
| Absolute minimum temperature (°C) | -26.1 | -24.3 | -18.6 | -3.8 | 0.0 | 6.2 | 12.1 | 10.0 | 7.2 | -4.3 | -12.9 | -8.3 |
| 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 | 15.1 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 3.7 | 6.5 | 7.1 | 8.1 | 10.7 | 12.4 | 12.7 | 11.3 | 9.2 | 6.8 | 6.5 | 4.2 |
| Precipitation (mm) | 40 | 69 | 78 | 96 | 44 | 37 | 50 | 96 | 91 | 93 | 29 | 37 |
| Sunny days | 14 | 14 | 12 | 15 | 23 | 20 | 14 | 19 | 13 | 11 | 25 | 17 |
| Rainy days | 8 | 7 | 10 | 14 | 8 | 10 | 17 | 12 | 17 | 18 | 5 | 10 |
| Snow days | 9 | 7 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 |
The best time to visit Lake Delton during the most sunny months:
Months with the longest average daylight duration in Lake Delton:
The largest precipitation sum in Lake Delton is at