Average annual temperature is 9.5 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -25.3 °C
Number of sunny days: 192 days
Number of rainy days: 138 days
Number of snow days: 35 days
Look at detailed online map of Town of Westfield
* Weather data for Town of 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) | 5.3 | 8.6 | 10.9 | 25.8 | 31.7 | 32.9 | 32.8 | 35.4 | 33.7 | 28.6 | 16.2 | 10.8 |
| Average daytime temperature (°C) | -0.2 | 1.8 | 5.3 | 13.9 | 22.2 | 27.8 | 28.3 | 27.2 | 24.0 | 15.0 | 7.3 | 4.6 |
| Average temperature (°C) | -3.8 | -3.6 | -0.3 | 7.6 | 15.1 | 21.2 | 22.4 | 21.5 | 18.5 | 10.8 | 2.7 | 0.9 |
| Average night temperature (°C) | -6.7 | -7.8 | -4.3 | 2.8 | 8.7 | 14.8 | 16.7 | 16.6 | 14.2 | 7.1 | -1.0 | -1.8 |
| Absolute minimum temperature (°C) | -25.3 | -24.7 | -15.9 | -4.7 | -0.2 | 6.5 | 12.1 | 9.1 | 6.7 | -4.4 | -13.0 | -8.6 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 6.5 | 7.2 | 8.1 | 10.5 | 12.4 | 12.7 | 11.3 | 8.9 | 6.6 | 6.5 | 4.4 |
| Precipitation (mm) | 39 | 68 | 72 | 83 | 67 | 44 | 49 | 73 | 85 | 96 | 12 | 38 |
| Sunny days | 15 | 13 | 12 | 12 | 22 | 19 | 14 | 17 | 14 | 11 | 24 | 19 |
| Rainy days | 5 | 6 | 10 | 18 | 9 | 11 | 17 | 14 | 16 | 17 | 5 | 10 |
| Snow days | 11 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 2 |
The best time to visit Town of Westfield during the most sunny months:
Months with the longest average daylight duration in Town of Westfield:
The largest precipitation sum in Town of Westfield is at