Average annual temperature is 8.8 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -30.0 °C
Number of sunny days: 154 days
Number of rainy days: 185 days
Number of snow days: 26 days
Look at detailed online map of Town of Hillsborough
* Weather data for Town of Hillsborough 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) | 8.8 | 12.1 | 11.4 | 28.5 | 30.8 | 33.4 | 29.9 | 26.6 | 30.5 | 26.7 | 15.4 | 13.6 |
| Average daytime temperature (°C) | 2.5 | 2.6 | 4.8 | 13.3 | 19.4 | 21.8 | 25.8 | 23.6 | 21.1 | 16.3 | 6.4 | 5.5 |
| Average temperature (°C) | -1.2 | -3.2 | 0.1 | 7.6 | 13.0 | 16.6 | 21.2 | 18.8 | 16.7 | 11.7 | 1.9 | 1.2 |
| Average night temperature (°C) | -4.2 | -8.1 | -3.8 | 3.2 | 7.5 | 12.4 | 17.4 | 15.1 | 13.4 | 8.2 | -1.5 | -1.9 |
| Absolute minimum temperature (°C) | -11.9 | -30.0 | -7.6 | -4.3 | -0.1 | 5.9 | 12.0 | 11.8 | 6.6 | -0.7 | -7.3 | -9.6 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 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 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 6.4 | 7.1 | 7.8 | 11.4 | 8.7 | 10.3 | 9.9 | 7.6 | 7.0 | 6.9 | 4.9 |
| Precipitation (mm) | 157 | 45 | 120 | 93 | 93 | 154 | 202 | 128 | 124 | 115 | 59 | 165 |
| Sunny days | 7 | 13 | 12 | 14 | 20 | 6 | 4 | 12 | 14 | 16 | 20 | 16 |
| Rainy days | 12 | 8 | 14 | 16 | 11 | 24 | 27 | 19 | 16 | 15 | 9 | 14 |
| Snow days | 12 | 7 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Town of Hillsborough during the most sunny months:
Months with the longest average daylight duration in Town of Hillsborough:
The largest precipitation sum in Town of Hillsborough is at