Average annual temperature is 11.3 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -23.4 °C
Number of sunny days: 157 days
Number of rainy days: 193 days
Number of snow days: 15 days
Look at detailed online map of Westfield
* Weather data for Westfield 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) | 12.4 | 15.2 | 16.3 | 33.8 | 30.9 | 33.6 | 32.0 | 29.7 | 34.5 | 27.4 | 19.0 | 15.2 |
| Average daytime temperature (°C) | 5.9 | 6.3 | 8.4 | 17.5 | 21.4 | 24.8 | 28.5 | 25.9 | 23.2 | 18.6 | 9.2 | 7.8 |
| Average temperature (°C) | 2.2 | 1.1 | 3.2 | 11.0 | 15.0 | 18.9 | 23.2 | 20.9 | 18.4 | 13.5 | 4.3 | 3.5 |
| Average night temperature (°C) | -0.8 | -3.3 | -0.9 | 6.1 | 9.0 | 14.0 | 18.8 | 16.9 | 14.9 | 9.5 | 0.5 | 0.5 |
| Absolute minimum temperature (°C) | -6.5 | -23.4 | -5.5 | -2.3 | 2.0 | 7.8 | 14.1 | 12.5 | 8.1 | 2.5 | -4.4 | -5.9 |
| 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 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.3 | 6.5 | 7.5 | 8.5 | 11.7 | 10.3 | 10.9 | 9.7 | 7.6 | 7.6 | 7.1 | 4.9 |
| Precipitation (mm) | 156 | 58 | 123 | 159 | 81 | 110 | 238 | 147 | 245 | 78 | 54 | 203 |
| Sunny days | 10 | 13 | 12 | 14 | 20 | 6 | 5 | 10 | 12 | 16 | 22 | 17 |
| Rainy days | 16 | 10 | 15 | 16 | 11 | 24 | 26 | 21 | 18 | 15 | 7 | 14 |
| Snow days | 5 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Westfield during the most sunny months:
The largest precipitation sum in Westfield is at