Average annual temperature is 7.7 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -30.5 °C
Number of sunny days: 158 days
Number of rainy days: 177 days
Number of snow days: 30 days
Look at detailed online map of Town of Wilton
* Weather data for Town of Wilton 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) | 7.5 | 8.9 | 8.1 | 25.5 | 29.3 | 32.8 | 29.8 | 26.3 | 29.7 | 26.8 | 13.6 | 12.1 |
| Average daytime temperature (°C) | 1.4 | -0.5 | 4.1 | 12.2 | 18.4 | 20.4 | 25.4 | 22.6 | 22.1 | 16.1 | 5.6 | 3.2 |
| Average temperature (°C) | -2.7 | -6.4 | -0.5 | 6.2 | 12.2 | 15.9 | 21.0 | 18.0 | 17.0 | 11.2 | 0.8 | -1.0 |
| Average night temperature (°C) | -6.2 | -11.4 | -4.9 | 1.2 | 6.5 | 12.2 | 16.9 | 13.8 | 12.6 | 7.1 | -2.8 | -4.3 |
| Absolute minimum temperature (°C) | -16.9 | -30.5 | -12.1 | -11.1 | -0.6 | 6.5 | 11.6 | 8.6 | 7.1 | -1.8 | -7.9 | -15.5 |
| 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) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| 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) | 4.1 | 7.0 | 7.6 | 7.7 | 11.1 | 6.6 | 9.7 | 9.8 | 9.0 | 6.0 | 6.9 | 4.3 |
| Precipitation (mm) | 136 | 43 | 80 | 85 | 162 | 230 | 230 | 186 | 114 | 123 | 62 | 225 |
| Sunny days | 10 | 16 | 12 | 18 | 19 | 4 | 2 | 8 | 17 | 15 | 20 | 17 |
| Rainy days | 12 | 6 | 6 | 12 | 12 | 26 | 29 | 23 | 13 | 16 | 9 | 13 |
| Snow days | 9 | 6 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Town of Wilton during the most sunny months:
Months with the longest average daylight duration in Town of Wilton:
The largest precipitation sum in Town of Wilton is at