Average annual temperature is 10.8 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -27.2 °C
Number of sunny days: 195 days
Number of rainy days: 143 days
Number of snow days: 27 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) | 9.3 | 10.1 | 21.6 | 25.6 | 31.6 | 33.0 | 33.3 | 37.8 | 34.1 | 29.8 | 17.4 | 12.9 |
| Average daytime temperature (°C) | 0.7 | 3.3 | 7.2 | 16.0 | 23.7 | 28.4 | 28.2 | 28.4 | 25.3 | 16.7 | 9.2 | 6.0 |
| Average temperature (°C) | -3.2 | -2.1 | 1.8 | 9.4 | 17.1 | 22.4 | 22.8 | 23.1 | 19.8 | 12.2 | 4.2 | 1.8 |
| Average night temperature (°C) | -6.2 | -6.5 | -2.3 | 4.1 | 10.8 | 16.3 | 17.5 | 18.2 | 15.1 | 8.1 | 0.4 | -0.9 |
| Absolute minimum temperature (°C) | -27.2 | -22.8 | -13.6 | -3.5 | 2.0 | 8.9 | 12.1 | 11.5 | 9.2 | -4.1 | -13.1 | -8.4 |
| 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 | 7.1 | 6.5 | 9.1 | 11.9 | 12.3 | 12.5 | 11.4 | 9.6 | 7.1 | 7.2 | 4.4 |
| Precipitation (mm) | 74 | 69 | 87 | 91 | 67 | 30 | 96 | 59 | 64 | 116 | 24 | 45 |
| Sunny days | 16 | 16 | 15 | 17 | 23 | 14 | 13 | 14 | 15 | 15 | 22 | 15 |
| Rainy days | 6 | 8 | 13 | 12 | 8 | 16 | 18 | 17 | 15 | 14 | 7 | 9 |
| Snow days | 9 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 7 |
The best time to visit Hopkinton during the most sunny months:
The largest precipitation sum in Hopkinton is at