Average annual temperature is 6.6 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -28.1 °C
Number of sunny days: 230 days
Number of rainy days: 88 days
Number of snow days: 47 days
Look at detailed online map of Hartner
* Weather data for Hartner 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 | 8.1 | 11.8 | 21.6 | 24.8 | 29.8 | 35.2 | 31.9 | 30.5 | 22.6 | 18.8 | 8.3 |
| Average daytime temperature (°C) | 1.7 | 2.6 | 6.1 | 14.8 | 21.0 | 25.3 | 32.1 | 29.1 | 24.3 | 18.3 | 9.7 | 2.2 |
| Average temperature (°C) | -5.5 | -6.0 | -1.1 | 4.8 | 11.4 | 15.7 | 22.2 | 19.7 | 14.1 | 8.3 | 0.5 | -6.1 |
| Average night temperature (°C) | -11.0 | -13.5 | -7.1 | -3.9 | 2.0 | 5.3 | 10.4 | 9.9 | 4.8 | -0.7 | -6.3 | -12.2 |
| Absolute minimum temperature (°C) | -22.2 | -28.1 | -17.4 | -9.6 | -1.8 | 0.4 | 6.4 | 6.6 | 0.9 | -8.4 | -15.8 | -22.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 8.0 | 9.1 | 9.9 | 11.5 | 12.1 | 13.4 | 13.3 | 12.0 | 10.8 | 10.2 | 8.8 | 7.8 |
| Precipitation (mm) | 21 | 29 | 31 | 13 | 58 | 17 | 6 | 18 | 28 | 4 | 3 | 15 |
| Sunny days | 21 | 17 | 12 | 15 | 15 | 17 | 22 | 23 | 21 | 23 | 23 | 21 |
| Rainy days | 3 | 0 | 8 | 12 | 16 | 13 | 9 | 8 | 9 | 7 | 3 | 0 |
| Snow days | 7 | 11 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 10 |
The best time to visit Hartner during the most sunny months:
The largest precipitation sum in Hartner is at