Average annual temperature is 9.6 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -28.6 °C
Number of sunny days: 158 days
Number of rainy days: 183 days
Number of snow days: 24 days
Look at detailed online map of Town of Hopkinton
* Weather data for Town of 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) | 9.2 | 13.0 | 12.3 | 29.4 | 32.2 | 34.8 | 31.2 | 27.8 | 31.7 | 27.8 | 17.2 | 14.7 |
| Average daytime temperature (°C) | 3.4 | 3.5 | 6.1 | 14.4 | 20.8 | 23.2 | 27.0 | 24.7 | 22.3 | 17.6 | 7.6 | 6.4 |
| Average temperature (°C) | -0.5 | -2.7 | 1.0 | 8.5 | 14.0 | 17.6 | 22.1 | 19.7 | 17.6 | 12.5 | 2.7 | 1.9 |
| Average night temperature (°C) | -3.8 | -8.3 | -3.2 | 3.9 | 8.1 | 12.9 | 17.9 | 15.6 | 13.9 | 8.6 | -1.1 | -1.1 |
| Absolute minimum temperature (°C) | -13.7 | -28.6 | -8.0 | -4.4 | 0.5 | 7.0 | 13.0 | 11.0 | 6.9 | 0.3 | -6.1 | -8.5 |
| 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 | 9.0 |
| 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) | 3.9 | 6.4 | 7.2 | 7.7 | 11.4 | 8.4 | 10.2 | 9.6 | 7.7 | 7.0 | 6.9 | 4.9 |
| Precipitation (mm) | 152 | 42 | 109 | 114 | 92 | 200 | 250 | 127 | 131 | 122 | 59 | 164 |
| Sunny days | 8 | 13 | 14 | 14 | 19 | 6 | 5 | 12 | 16 | 15 | 20 | 16 |
| Rainy days | 14 | 7 | 12 | 16 | 12 | 24 | 26 | 19 | 14 | 16 | 9 | 14 |
| Snow days | 9 | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Town of Hopkinton during the most sunny months:
Months with the longest average daylight duration in Town of Hopkinton:
The largest precipitation sum in Town of Hopkinton is at