Average annual temperature is 10.2 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 129 days
Number of rainy days: 213 days
Number of snow days: 23 days
Look at detailed online map of Harperton
* Weather data for Harperton 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) | 17.0 | 17.8 | 18.9 | 25.6 | 23.4 | 26.9 | 29.3 | 27.4 | 28.2 | 25.0 | 20.4 | 14.9 |
| Average daytime temperature (°C) | 6.5 | 9.3 | 9.4 | 16.7 | 17.6 | 20.8 | 25.2 | 24.1 | 20.9 | 15.9 | 10.0 | 7.3 |
| Average temperature (°C) | 1.9 | 3.7 | 3.5 | 10.3 | 12.3 | 16.0 | 20.3 | 19.2 | 16.0 | 11.1 | 4.4 | 3.0 |
| Average night temperature (°C) | -1.5 | -0.7 | -1.0 | 5.0 | 7.5 | 11.8 | 16.5 | 15.2 | 12.1 | 7.3 | 0.2 | -0.2 |
| Absolute minimum temperature (°C) | -11.2 | -14.5 | -12.6 | -3.3 | -1.3 | 7.6 | 13.4 | 9.7 | 5.5 | -0.4 | -10.1 | -9.8 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 3.3 | 6.2 | 6.9 | 8.9 | 9.4 | 10.4 | 12.0 | 10.3 | 9.0 | 7.0 | 6.6 | 4.6 |
| Precipitation (mm) | 136 | 102 | 110 | 73 | 148 | 102 | 99 | 113 | 89 | 72 | 72 | 108 |
| Sunny days | 3 | 10 | 8 | 15 | 14 | 10 | 5 | 9 | 11 | 14 | 19 | 11 |
| Rainy days | 22 | 14 | 17 | 14 | 17 | 20 | 26 | 22 | 19 | 17 | 9 | 16 |
| Snow days | 6 | 4 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Harperton during the most sunny months:
The largest precipitation sum in Harperton is at