Average annual temperature is 11.4 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 218 days
Number of rainy days: 124 days
Number of snow days: 23 days
Look at detailed online map of Heun
* Weather data for Heun 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) | 8.6 | 14.5 | 21.6 | 29.4 | 31.2 | 33.8 | 35.5 | 37.4 | 35.4 | 31.2 | 18.7 | 12.3 |
| Average daytime temperature (°C) | -0.1 | 5.1 | 8.2 | 17.8 | 25.5 | 29.4 | 28.8 | 29.7 | 27.6 | 17.4 | 11.4 | 5.5 |
| Average temperature (°C) | -4.1 | -1.6 | 1.4 | 10.7 | 18.8 | 23.5 | 23.4 | 24.1 | 21.3 | 12.2 | 5.6 | 1.0 |
| Average night temperature (°C) | -7.3 | -6.0 | -3.3 | 4.9 | 12.8 | 17.8 | 18.6 | 19.3 | 16.2 | 8.1 | 1.1 | -2.4 |
| Absolute minimum temperature (°C) | -20.8 | -19.7 | -11.7 | -5.9 | 3.1 | 10.3 | 12.1 | 13.0 | 10.3 | -6.8 | -7.3 | -6.3 |
| 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 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.9 | 7.5 | 8.3 | 10.2 | 11.4 | 13.1 | 11.6 | 11.3 | 10.0 | 7.5 | 7.2 | 5.1 |
| Precipitation (mm) | 51 | 35 | 34 | 25 | 115 | 97 | 116 | 56 | 37 | 91 | 11 | 44 |
| Sunny days | 20 | 18 | 22 | 23 | 15 | 12 | 13 | 18 | 18 | 15 | 25 | 19 |
| Rainy days | 3 | 8 | 7 | 6 | 16 | 18 | 18 | 13 | 12 | 15 | 3 | 5 |
| Snow days | 8 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 7 |
The best time to visit Heun during the most sunny months:
The largest precipitation sum in Heun is at