Average annual temperature is 20.5 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: -1.6 °C
Number of sunny days: 188 days
Number of rainy days: 177 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) | 25.4 | 28.0 | 28.5 | 30.3 | 33.3 | 39.3 | 40.1 | 41.5 | 38.2 | 32.7 | 29.1 | 26.3 |
| Average daytime temperature (°C) | 17.7 | 19.6 | 23.1 | 24.2 | 29.6 | 34.6 | 36.1 | 38.8 | 33.4 | 27.7 | 19.7 | 17.4 |
| Average temperature (°C) | 12.4 | 13.5 | 16.6 | 18.2 | 23.4 | 27.5 | 29.5 | 31.9 | 26.7 | 21.0 | 14.0 | 11.3 |
| Average night temperature (°C) | 8.5 | 9.1 | 11.7 | 13.6 | 18.2 | 22.2 | 24.5 | 26.0 | 21.5 | 15.9 | 9.8 | 6.6 |
| Absolute minimum temperature (°C) | -1.0 | -0.7 | -1.6 | 9.0 | 11.1 | 19.3 | 21.1 | 20.7 | 17.8 | 6.6 | 1.1 | -0.9 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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) | 6.8 | 7.1 | 8.7 | 8.4 | 10.7 | 12.0 | 11.4 | 11.9 | 10.5 | 9.0 | 6.5 | 7.7 |
| Precipitation (mm) | 152 | 78 | 100 | 139 | 112 | 86 | 57 | 24 | 40 | 28 | 66 | 57 |
| Sunny days | 12 | 11 | 13 | 10 | 15 | 6 | 13 | 26 | 19 | 24 | 18 | 21 |
| Rainy days | 19 | 17 | 18 | 20 | 16 | 24 | 18 | 5 | 11 | 7 | 12 | 10 |
| 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