Average annual temperature is 21.3 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 0.6 °C
Number of sunny days: 167 days
Number of rainy days: 198 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) | 24.5 | 27.3 | 29.0 | 31.7 | 32.7 | 39.3 | 40.3 | 42.5 | 39.8 | 35.4 | 29.0 | 25.8 |
| Average daytime temperature (°C) | 18.1 | 20.1 | 23.7 | 24.7 | 29.1 | 34.7 | 37.4 | 39.4 | 34.5 | 27.7 | 20.1 | 18.5 |
| Average temperature (°C) | 13.2 | 14.3 | 17.8 | 18.8 | 23.4 | 27.9 | 30.7 | 32.2 | 27.7 | 21.3 | 15.0 | 12.6 |
| Average night temperature (°C) | 9.6 | 10.5 | 13.7 | 14.6 | 19.1 | 22.8 | 25.3 | 26.0 | 22.6 | 17.1 | 11.0 | 8.2 |
| Absolute minimum temperature (°C) | 1.9 | 0.6 | 1.6 | 9.4 | 13.9 | 18.7 | 22.5 | 22.3 | 18.2 | 6.9 | 2.7 | 1.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.1 | 7.0 | 7.1 | 7.5 | 9.0 | 10.8 | 12.5 | 12.1 | 10.4 | 8.6 | 6.7 | 7.8 |
| Precipitation (mm) | 194 | 86 | 174 | 219 | 123 | 96 | 31 | 6 | 56 | 73 | 100 | 102 |
| Sunny days | 12 | 10 | 10 | 6 | 14 | 8 | 14 | 19 | 14 | 19 | 17 | 24 |
| Rainy days | 19 | 18 | 21 | 24 | 17 | 22 | 17 | 12 | 16 | 12 | 13 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chester during the most sunny months:
The largest precipitation sum in Chester is at