Average annual temperature is 10.8 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 135 days
Number of rainy days: 205 days
Number of snow days: 25 days
Look at detailed online map of Hartstown
* Weather data for Hartstown 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) | 13.9 | 19.3 | 16.8 | 28.4 | 31.3 | 32.3 | 31.3 | 30.2 | 31.5 | 27.2 | 16.4 | 14.7 |
| Average daytime temperature (°C) | 5.0 | 8.9 | 7.7 | 16.7 | 21.4 | 24.4 | 27.2 | 25.6 | 23.3 | 16.5 | 9.3 | 7.2 |
| Average temperature (°C) | 1.4 | 1.8 | 2.4 | 9.9 | 14.3 | 18.8 | 21.8 | 20.2 | 17.8 | 12.1 | 4.6 | 3.7 |
| Average night temperature (°C) | -1.2 | -2.7 | -1.4 | 4.6 | 8.3 | 13.9 | 17.3 | 16.1 | 13.6 | 8.7 | 1.1 | 1.0 |
| Absolute minimum temperature (°C) | -9.2 | -12.8 | -7.4 | -3.4 | 1.5 | 10.3 | 13.1 | 11.9 | 8.1 | 1.5 | -7.5 | -6.0 |
| 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 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 2.4 | 6.2 | 6.0 | 8.3 | 11.2 | 11.1 | 11.7 | 10.8 | 9.1 | 6.1 | 5.9 | 3.4 |
| Precipitation (mm) | 135 | 63 | 117 | 97 | 44 | 149 | 119 | 88 | 21 | 60 | 63 | 94 |
| Sunny days | 6 | 7 | 8 | 13 | 23 | 14 | 5 | 9 | 15 | 11 | 14 | 10 |
| Rainy days | 18 | 15 | 16 | 16 | 8 | 16 | 26 | 22 | 15 | 20 | 14 | 19 |
| Snow days | 7 | 6 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Hartstown during the most sunny months:
The largest precipitation sum in Hartstown is at