Average annual temperature is 8.6 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -28.0 °C
Number of sunny days: 147 days
Number of rainy days: 199 days
Number of snow days: 19 days
Look at detailed online map of Chester
* Weather data for Chester 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) | 13.9 | 12.1 | 11.5 | 28.5 | 27.2 | 30.8 | 28.9 | 25.8 | 30.1 | 25.0 | 15.4 | 12.9 |
| Average daytime temperature (°C) | 3.0 | 2.9 | 4.7 | 14.1 | 18.0 | 21.4 | 25.1 | 22.5 | 20.0 | 15.4 | 6.0 | 5.2 |
| Average temperature (°C) | -0.5 | -2.0 | -0.1 | 8.1 | 12.0 | 16.1 | 20.6 | 18.2 | 15.8 | 11.0 | 1.6 | 1.2 |
| Average night temperature (°C) | -3.5 | -6.5 | -4.2 | 3.3 | 6.5 | 11.8 | 16.9 | 14.7 | 12.7 | 7.5 | -1.8 | -1.8 |
| Absolute minimum temperature (°C) | -8.8 | -28.0 | -9.7 | -5.3 | -0.5 | 5.2 | 11.7 | 10.2 | 5.9 | -1.3 | -7.8 | -8.9 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 6.3 | 7.4 | 8.5 | 11.8 | 10.1 | 10.8 | 9.7 | 7.8 | 7.3 | 6.8 | 4.8 |
| Precipitation (mm) | 146 | 59 | 135 | 106 | 83 | 116 | 206 | 137 | 201 | 113 | 57 | 189 |
| Sunny days | 9 | 13 | 12 | 10 | 19 | 6 | 4 | 5 | 13 | 16 | 21 | 19 |
| Rainy days | 16 | 9 | 13 | 20 | 12 | 24 | 27 | 26 | 17 | 15 | 8 | 12 |
| Snow days | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Chester during the most sunny months:
The largest precipitation sum in Chester is at