Average annual temperature is 11.5 °C
Absolute maximum temperature: 25.6 °C
Absolute minimum temperature: -21.5 °C
Number of sunny days: 179 days
Number of rainy days: 183 days
Number of snow days: 3 days
Look at detailed online map of West Chatham
* Weather data for West Chatham 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) | 11.4 | 10.5 | 8.8 | 18.2 | 16.6 | 19.6 | 25.6 | 24.6 | 24.4 | 18.9 | 15.0 | 14.1 |
| Average daytime temperature (°C) | 7.2 | 5.5 | 6.2 | 9.8 | 13.2 | 16.4 | 22.3 | 21.6 | 19.6 | 16.2 | 10.2 | 8.1 |
| Average temperature (°C) | 5.1 | 2.7 | 4.5 | 8.2 | 11.8 | 15.2 | 21.0 | 20.2 | 18.6 | 14.9 | 8.1 | 6.6 |
| Average night temperature (°C) | 3.4 | 0.2 | 3.1 | 7.0 | 10.7 | 14.3 | 20.1 | 19.2 | 17.7 | 13.7 | 6.4 | 5.1 |
| Absolute minimum temperature (°C) | -0.3 | -21.5 | 0.2 | 3.3 | 7.0 | 10.1 | 17.4 | 17.7 | 14.1 | 7.7 | 0.0 | -0.4 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 5.7 | 6.9 | 9.1 | 11.9 | 10.1 | 10.4 | 10.0 | 7.8 | 7.9 | 7.1 | 5.1 |
| Precipitation (mm) | 198 | 74 | 91 | 65 | 56 | 109 | 110 | 87 | 145 | 50 | 36 | 105 |
| Sunny days | 7 | 13 | 14 | 20 | 22 | 12 | 12 | 15 | 15 | 14 | 20 | 15 |
| Rainy days | 24 | 12 | 17 | 10 | 9 | 18 | 19 | 16 | 15 | 17 | 10 | 16 |
| Snow days | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit West Chatham during the most sunny months:
The largest precipitation sum in West Chatham is at