Average annual temperature is 10.8 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -24.9 °C
Number of sunny days: 161 days
Number of rainy days: 191 days
Number of snow days: 13 days
Look at detailed online map of Hopkinton
* Weather data for Hopkinton 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) | 11.9 | 14.8 | 15.3 | 32.6 | 29.4 | 32.7 | 31.6 | 28.9 | 33.4 | 28.0 | 18.0 | 15.9 |
| Average daytime temperature (°C) | 5.7 | 5.6 | 8.1 | 16.4 | 20.9 | 23.7 | 28.1 | 25.4 | 22.5 | 18.4 | 8.8 | 7.6 |
| Average temperature (°C) | 1.9 | 0.4 | 2.9 | 10.0 | 14.3 | 17.9 | 23.0 | 20.4 | 18.0 | 13.3 | 3.9 | 3.1 |
| Average night temperature (°C) | -1.3 | -4.2 | -1.2 | 4.9 | 8.5 | 13.3 | 18.9 | 16.4 | 14.5 | 9.5 | 0.1 | -0.2 |
| Absolute minimum temperature (°C) | -7.0 | -24.9 | -5.3 | -3.0 | 2.8 | 6.5 | 13.7 | 12.5 | 7.3 | 2.3 | -5.2 | -6.9 |
| 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 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 6.3 | 7.5 | 8.4 | 11.5 | 9.4 | 10.9 | 9.5 | 7.3 | 7.7 | 6.9 | 5.3 |
| Precipitation (mm) | 154 | 47 | 133 | 74 | 70 | 105 | 208 | 116 | 256 | 96 | 42 | 173 |
| Sunny days | 9 | 11 | 15 | 13 | 19 | 6 | 6 | 13 | 12 | 19 | 21 | 17 |
| Rainy days | 17 | 12 | 15 | 17 | 12 | 24 | 25 | 18 | 18 | 12 | 7 | 14 |
| Snow days | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The best time to visit Hopkinton during the most sunny months:
The largest precipitation sum in Hopkinton is at