Average annual temperature is 9.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -29.3 °C
Number of sunny days: 107 days
Number of rainy days: 208 days
Number of snow days: 50 days
Look at detailed online map of Town of Bolton
* Weather data for Town of Bolton 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) | 9.9 | 11.9 | 9.8 | 27.5 | 32.0 | 34.2 | 32.0 | 26.7 | 30.3 | 28.6 | 15.5 | 12.0 |
| Average daytime temperature (°C) | 1.5 | 1.9 | 4.3 | 15.1 | 19.7 | 23.6 | 26.7 | 23.4 | 22.3 | 16.3 | 6.2 | 4.4 |
| Average temperature (°C) | -1.9 | -3.9 | 0.0 | 8.8 | 13.5 | 18.4 | 22.0 | 19.0 | 17.3 | 12.5 | 2.2 | 1.1 |
| Average night temperature (°C) | -5.1 | -9.0 | -4.0 | 3.6 | 7.5 | 13.7 | 18.2 | 15.4 | 13.2 | 9.3 | -0.8 | -1.8 |
| Absolute minimum temperature (°C) | -16.3 | -29.3 | -9.7 | -5.4 | 0.8 | 7.8 | 13.4 | 11.1 | 6.5 | 0.3 | -7.1 | -9.7 |
| 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 | 10.5 | 11.9 | 13.5 | 14.8 | 15.5 | 15.1 | 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) | 2.5 | 5.2 | 5.5 | 7.5 | 11.0 | 9.7 | 10.4 | 9.9 | 8.5 | 5.7 | 4.9 | 3.4 |
| Precipitation (mm) | 111 | 65 | 97 | 101 | 70 | 177 | 287 | 233 | 62 | 146 | 88 | 151 |
| Sunny days | 2 | 5 | 7 | 12 | 18 | 9 | 4 | 4 | 18 | 12 | 6 | 10 |
| Rainy days | 16 | 11 | 12 | 18 | 13 | 21 | 27 | 27 | 12 | 19 | 17 | 15 |
| Snow days | 13 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 6 |
The best time to visit Town of Bolton during the most sunny months:
Months with the longest average daylight duration in Town of Bolton:
The largest precipitation sum in Town of Bolton is at