Average annual temperature is 21.9 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 141 days
Number of rainy days: 224 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) | 25.7 | 27.6 | 29.4 | 30.9 | 32.0 | 40.1 | 38.5 | 42.1 | 39.8 | 34.8 | 29.6 | 25.9 |
| Average daytime temperature (°C) | 19.2 | 20.6 | 24.0 | 24.8 | 28.8 | 35.5 | 36.1 | 38.8 | 34.2 | 27.1 | 20.7 | 19.0 |
| Average temperature (°C) | 14.2 | 14.8 | 18.9 | 19.5 | 23.8 | 29.0 | 30.4 | 32.2 | 28.4 | 21.8 | 15.8 | 13.4 |
| Average night temperature (°C) | 10.5 | 10.7 | 14.8 | 15.4 | 19.8 | 24.0 | 25.6 | 26.7 | 24.0 | 18.0 | 12.0 | 9.1 |
| Absolute minimum temperature (°C) | 1.7 | 1.1 | 4.1 | 9.8 | 12.7 | 20.0 | 23.1 | 23.7 | 20.8 | 8.1 | 3.5 | 1.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.9 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.0 | 7.1 | 7.3 | 7.7 | 8.5 | 11.4 | 12.1 | 12.0 | 10.8 | 8.1 | 6.5 | 7.8 |
| Precipitation (mm) | 230 | 59 | 132 | 200 | 248 | 91 | 54 | 11 | 48 | 144 | 135 | 100 |
| Sunny days | 13 | 10 | 7 | 6 | 3 | 10 | 11 | 22 | 10 | 16 | 14 | 19 |
| Rainy days | 18 | 18 | 24 | 24 | 28 | 20 | 20 | 9 | 20 | 15 | 16 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Northborough during the most sunny months:
The largest precipitation sum in Northborough is at