Average annual temperature is 9.4 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -26.5 °C
Number of sunny days: 199 days
Number of rainy days: 135 days
Number of snow days: 31 days
Look at detailed online map of Township of Westford
* Weather data for Township of Westford 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) | 2.7 | 5.2 | 13.4 | 28.1 | 30.7 | 31.0 | 34.4 | 35.8 | 34.4 | 30.8 | 18.8 | 11.9 |
| Average daytime temperature (°C) | -4.1 | -1.4 | 2.7 | 13.8 | 24.0 | 28.1 | 28.1 | 28.2 | 26.0 | 15.8 | 9.4 | 5.2 |
| Average temperature (°C) | -7.5 | -6.8 | -2.5 | 7.5 | 17.5 | 22.4 | 22.2 | 22.7 | 20.3 | 11.1 | 4.0 | 0.7 |
| Average night temperature (°C) | -10.6 | -11.3 | -6.8 | 2.7 | 11.5 | 16.9 | 17.0 | 18.2 | 15.5 | 7.4 | 0.0 | -2.3 |
| Absolute minimum temperature (°C) | -23.3 | -26.5 | -15.8 | -5.5 | 1.3 | 10.7 | 11.2 | 11.6 | 8.2 | -4.4 | -11.5 | -7.7 |
| 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) | 4.2 | 6.7 | 6.7 | 8.6 | 11.3 | 13.0 | 12.4 | 11.6 | 10.1 | 7.6 | 6.6 | 5.0 |
| Precipitation (mm) | 69 | 71 | 45 | 81 | 129 | 72 | 72 | 135 | 64 | 136 | 3 | 63 |
| Sunny days | 18 | 17 | 17 | 12 | 17 | 14 | 14 | 18 | 14 | 12 | 25 | 21 |
| Rainy days | 4 | 5 | 6 | 17 | 14 | 16 | 17 | 13 | 16 | 16 | 4 | 7 |
| Snow days | 9 | 6 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 3 |
The best time to visit Township of Westford during the most sunny months:
Months with the longest average daylight duration in Township of Westford:
The largest precipitation sum in Township of Westford is at