Average annual temperature is 11.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -25.1 °C
Number of sunny days: 159 days
Number of rainy days: 192 days
Number of snow days: 14 days
Look at detailed online map of Northborough
* Weather data for Northborough 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) | 11.8 | 15.2 | 15.7 | 33.3 | 30.2 | 33.3 | 32.3 | 29.2 | 33.9 | 28.2 | 18.2 | 15.9 |
| Average daytime temperature (°C) | 5.6 | 5.7 | 7.9 | 16.5 | 21.3 | 23.9 | 28.3 | 25.8 | 22.8 | 18.5 | 8.9 | 7.8 |
| Average temperature (°C) | 1.8 | 0.4 | 2.8 | 10.0 | 14.6 | 18.1 | 23.3 | 20.6 | 18.2 | 13.6 | 4.0 | 3.2 |
| Average night temperature (°C) | -1.3 | -4.4 | -1.4 | 5.0 | 8.8 | 13.6 | 19.2 | 16.7 | 14.7 | 9.8 | 0.4 | -0.1 |
| Absolute minimum temperature (°C) | -7.2 | -25.1 | -8.1 | -3.1 | 3.0 | 6.5 | 13.8 | 12.8 | 7.4 | 2.2 | -4.9 | -6.6 |
| 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) | 9.5 | 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 | 6.2 | 7.4 | 8.3 | 11.3 | 9.1 | 10.4 | 9.4 | 7.2 | 7.5 | 6.9 | 5.3 |
| Precipitation (mm) | 168 | 50 | 139 | 78 | 75 | 103 | 187 | 98 | 213 | 104 | 44 | 181 |
| Sunny days | 8 | 13 | 15 | 14 | 19 | 8 | 5 | 11 | 12 | 18 | 20 | 16 |
| Rainy days | 18 | 11 | 13 | 16 | 12 | 22 | 26 | 20 | 18 | 13 | 9 | 14 |
| Snow days | 5 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Northborough during the most sunny months:
The largest precipitation sum in Northborough is at