Average annual temperature is 10.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -25.3 °C
Number of sunny days: 162 days
Number of rainy days: 190 days
Number of snow days: 13 days
Look at detailed online map of Boxborough
* Weather data for Boxborough 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) | 12.0 | 15.3 | 15.9 | 30.7 | 30.1 | 32.5 | 31.7 | 28.7 | 33.5 | 27.7 | 18.3 | 16.3 |
| Average daytime temperature (°C) | 5.4 | 5.5 | 7.6 | 15.8 | 21.0 | 23.3 | 27.8 | 25.3 | 22.7 | 18.4 | 8.8 | 7.7 |
| Average temperature (°C) | 1.6 | 0.0 | 2.6 | 9.6 | 14.4 | 17.8 | 22.8 | 20.4 | 18.0 | 13.4 | 3.8 | 3.1 |
| Average night temperature (°C) | -1.7 | -4.9 | -1.5 | 5.0 | 8.6 | 13.4 | 18.9 | 16.5 | 14.6 | 9.6 | 0.1 | -0.2 |
| Absolute minimum temperature (°C) | -7.3 | -25.3 | -6.7 | -3.2 | 2.2 | 6.8 | 13.6 | 12.3 | 7.4 | 1.4 | -5.3 | -7.0 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 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) | 4.1 | 6.1 | 7.4 | 8.4 | 11.4 | 9.2 | 10.6 | 9.6 | 7.2 | 7.6 | 7.0 | 5.4 |
| Precipitation (mm) | 171 | 52 | 144 | 70 | 78 | 124 | 192 | 138 | 217 | 108 | 40 | 150 |
| Sunny days | 8 | 12 | 13 | 17 | 18 | 6 | 8 | 11 | 12 | 18 | 22 | 17 |
| Rainy days | 19 | 12 | 14 | 13 | 13 | 24 | 23 | 20 | 18 | 13 | 8 | 13 |
| Snow days | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Boxborough during the most sunny months:
The largest precipitation sum in Boxborough is at