Average annual temperature is 6.3 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -31.0 °C
Number of sunny days: 140 days
Number of rainy days: 164 days
Number of snow days: 61 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) | 3.7 | 6.8 | 6.4 | 16.9 | 30.3 | 30.5 | 31.3 | 24.6 | 28.2 | 23.6 | 10.4 | 12.8 |
| Average daytime temperature (°C) | -2.0 | -4.6 | 1.8 | 9.8 | 16.6 | 20.1 | 26.2 | 21.4 | 21.2 | 15.1 | 3.3 | 1.3 |
| Average temperature (°C) | -6.0 | -10.0 | -2.1 | 4.4 | 10.5 | 15.7 | 21.5 | 17.3 | 16.1 | 10.7 | -0.9 | -2.4 |
| Average night temperature (°C) | -9.2 | -14.7 | -5.5 | -0.4 | 4.9 | 11.6 | 17.3 | 13.7 | 12.1 | 7.4 | -4.1 | -5.6 |
| Absolute minimum temperature (°C) | -23.3 | -31.0 | -15.1 | -9.7 | 0.1 | 5.7 | 12.5 | 8.5 | 4.9 | -3.8 | -11.2 | -14.0 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 7.0 | 7.0 | 8.2 | 9.9 | 7.1 | 10.7 | 8.7 | 8.7 | 5.9 | 5.5 | 4.2 |
| Precipitation (mm) | 157 | 41 | 67 | 51 | 100 | 154 | 155 | 193 | 134 | 86 | 64 | 122 |
| Sunny days | 11 | 12 | 12 | 14 | 16 | 5 | 3 | 6 | 17 | 12 | 14 | 18 |
| Rainy days | 8 | 3 | 4 | 12 | 15 | 25 | 28 | 25 | 13 | 17 | 7 | 7 |
| Snow days | 12 | 13 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 6 |
The best time to visit Westfield during the most sunny months:
Months with the longest average daylight duration in Westfield:
The largest precipitation sum in Westfield is at