Average annual temperature is 12.3 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 188 days
Number of rainy days: 160 days
Number of snow days: 17 days
Look at detailed online map of Harvard Hills
* Weather data for Harvard Hills 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) | 16.4 | 13.6 | 21.5 | 26.0 | 32.7 | 34.6 | 35.3 | 35.9 | 31.3 | 28.2 | 22.5 | 15.1 |
| Average daytime temperature (°C) | 4.2 | 7.2 | 9.5 | 17.8 | 24.8 | 29.3 | 29.3 | 27.9 | 24.9 | 17.7 | 10.7 | 7.5 |
| Average temperature (°C) | -0.1 | 1.5 | 4.0 | 10.9 | 18.5 | 23.0 | 24.0 | 23.0 | 19.9 | 13.2 | 5.8 | 3.7 |
| Average night temperature (°C) | -2.8 | -2.5 | 0.0 | 5.5 | 12.5 | 17.0 | 19.2 | 18.8 | 16.0 | 9.7 | 1.6 | 1.2 |
| Absolute minimum temperature (°C) | -17.0 | -15.8 | -11.6 | -1.4 | 3.1 | 10.5 | 15.8 | 12.0 | 10.7 | -1.8 | -10.2 | -7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.5 | 7.4 | 6.6 | 9.3 | 11.0 | 12.8 | 12.4 | 10.7 | 9.4 | 7.3 | 7.6 | 4.4 |
| Precipitation (mm) | 59 | 85 | 94 | 56 | 43 | 18 | 103 | 160 | 47 | 95 | 22 | 66 |
| Sunny days | 10 | 16 | 12 | 14 | 19 | 22 | 16 | 13 | 15 | 14 | 22 | 15 |
| Rainy days | 11 | 10 | 17 | 16 | 12 | 8 | 15 | 18 | 15 | 16 | 6 | 16 |
| Snow days | 10 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
The best time to visit Harvard Hills during the most sunny months:
The largest precipitation sum in Harvard Hills is at