Average annual temperature is 10.7 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 216 days
Number of rainy days: 119 days
Number of snow days: 30 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) | 3.0 | 8.9 | 18.8 | 29.3 | 32.0 | 34.6 | 37.3 | 38.1 | 36.7 | 31.8 | 18.5 | 11.9 |
| Average daytime temperature (°C) | -3.2 | 0.3 | 6.7 | 16.7 | 25.8 | 30.1 | 29.7 | 30.2 | 27.5 | 16.9 | 11.0 | 5.3 |
| Average temperature (°C) | -6.5 | -5.4 | -0.1 | 9.7 | 18.9 | 24.1 | 23.6 | 24.3 | 21.5 | 11.9 | 5.1 | 0.7 |
| Average night temperature (°C) | -9.7 | -10.1 | -4.5 | 4.2 | 12.7 | 18.3 | 18.3 | 19.3 | 16.3 | 7.9 | 0.7 | -2.9 |
| Absolute minimum temperature (°C) | -23.2 | -22.5 | -12.9 | -5.8 | 3.2 | 10.6 | 11.1 | 13.9 | 10.0 | -6.4 | -8.2 | -8.2 |
| 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 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 6.8 | 7.5 | 9.8 | 11.7 | 13.0 | 12.0 | 11.4 | 10.1 | 7.4 | 6.8 | 5.5 |
| Precipitation (mm) | 66 | 45 | 35 | 42 | 43 | 73 | 99 | 63 | 34 | 111 | 5 | 56 |
| Sunny days | 19 | 17 | 20 | 16 | 16 | 16 | 10 | 20 | 19 | 15 | 25 | 23 |
| Rainy days | 4 | 5 | 3 | 12 | 15 | 14 | 21 | 11 | 11 | 14 | 3 | 6 |
| Snow days | 8 | 6 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 |
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