Average annual temperature is 8.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -30.2 °C
Number of sunny days: 150 days
Number of rainy days: 182 days
Number of snow days: 33 days
Look at detailed online map of Town of Charlestown
* Weather data for Town of Charlestown 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) | 8.0 | 11.5 | 11.4 | 27.4 | 30.6 | 33.5 | 30.6 | 26.5 | 30.4 | 27.3 | 16.3 | 14.4 |
| Average daytime temperature (°C) | 2.5 | 2.9 | 5.4 | 14.3 | 19.7 | 22.6 | 26.3 | 23.8 | 21.8 | 16.7 | 6.5 | 5.2 |
| Average temperature (°C) | -1.4 | -3.3 | 0.2 | 8.0 | 12.9 | 17.0 | 21.3 | 18.8 | 16.6 | 11.5 | 1.5 | 1.0 |
| Average night temperature (°C) | -5.0 | -8.7 | -4.7 | 2.9 | 6.2 | 12.0 | 17.1 | 14.5 | 12.2 | 7.3 | -2.3 | -2.0 |
| Absolute minimum temperature (°C) | -14.5 | -30.2 | -13.5 | -4.5 | -2.1 | 4.9 | 11.8 | 8.9 | 5.4 | -0.7 | -8.2 | -9.0 |
| 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 | 9.0 |
| 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) | 3.6 | 6.3 | 6.8 | 8.0 | 11.4 | 9.5 | 10.3 | 10.1 | 8.1 | 6.9 | 6.7 | 4.7 |
| Precipitation (mm) | 114 | 42 | 98 | 97 | 80 | 151 | 212 | 135 | 105 | 103 | 51 | 146 |
| Sunny days | 7 | 11 | 11 | 14 | 20 | 7 | 6 | 10 | 16 | 14 | 21 | 13 |
| Rainy days | 13 | 7 | 13 | 16 | 11 | 23 | 25 | 21 | 14 | 17 | 7 | 15 |
| Snow days | 11 | 10 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Town of Charlestown during the most sunny months:
Months with the longest average daylight duration in Town of Charlestown:
The largest precipitation sum in Town of Charlestown is at