Average annual temperature is 10.2 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 194 days
Number of rainy days: 139 days
Number of snow days: 32 days
Look at detailed online map of Town of Delton
* Weather data for Town of 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) | 6.3 | 9.2 | 12.4 | 26.0 | 32.0 | 33.9 | 33.5 | 36.2 | 34.4 | 29.1 | 17.0 | 11.3 |
| Average daytime temperature (°C) | 0.6 | 2.7 | 6.0 | 14.6 | 23.0 | 28.4 | 28.7 | 27.8 | 24.4 | 15.5 | 8.0 | 5.0 |
| Average temperature (°C) | -3.0 | -2.7 | 0.5 | 8.3 | 15.9 | 21.8 | 23.0 | 22.2 | 19.1 | 11.3 | 3.3 | 1.4 |
| Average night temperature (°C) | -5.6 | -7.2 | -3.8 | 3.4 | 9.7 | 15.5 | 17.4 | 17.3 | 15.0 | 7.7 | -0.3 | -1.3 |
| Absolute minimum temperature (°C) | -26.1 | -24.1 | -18.5 | -3.7 | 0.2 | 7.0 | 12.8 | 10.4 | 8.0 | -4.1 | -12.6 | -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 | 15.1 | 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) | 3.7 | 6.5 | 7.1 | 8.0 | 10.8 | 12.3 | 12.7 | 11.2 | 9.1 | 6.9 | 6.5 | 4.1 |
| Precipitation (mm) | 43 | 70 | 88 | 103 | 46 | 40 | 48 | 126 | 78 | 80 | 30 | 36 |
| Sunny days | 14 | 14 | 13 | 15 | 21 | 19 | 14 | 18 | 12 | 12 | 25 | 17 |
| Rainy days | 7 | 8 | 9 | 15 | 10 | 11 | 17 | 13 | 18 | 17 | 4 | 10 |
| Snow days | 10 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4 |
The best time to visit Town of Delton during the most sunny months:
Months with the longest average daylight duration in Town of Delton:
The largest precipitation sum in Town of Delton is at