Average annual temperature is 13.2 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -13.7 °C
Number of sunny days: 196 days
Number of rainy days: 159 days
Number of snow days: 10 days
Look at detailed online map of Heman
* Weather data for Heman 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) | 19.0 | 17.0 | 22.0 | 27.9 | 31.4 | 33.5 | 34.6 | 36.2 | 32.0 | 29.1 | 24.8 | 16.2 |
| Average daytime temperature (°C) | 6.3 | 9.2 | 10.9 | 19.2 | 25.3 | 29.3 | 29.0 | 28.1 | 26.0 | 19.0 | 12.5 | 8.5 |
| Average temperature (°C) | 1.7 | 3.1 | 5.3 | 12.1 | 18.8 | 23.2 | 24.0 | 23.2 | 20.6 | 14.1 | 6.8 | 4.5 |
| Average night temperature (°C) | -1.4 | -1.3 | 0.9 | 6.3 | 12.6 | 17.0 | 19.2 | 18.9 | 15.8 | 10.0 | 2.3 | 1.7 |
| Absolute minimum temperature (°C) | -13.2 | -13.7 | -9.8 | -1.9 | 3.7 | 11.2 | 15.2 | 11.9 | 10.2 | -2.5 | -9.1 | -7.7 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 4.1 | 7.4 | 6.6 | 9.7 | 11.1 | 12.8 | 12.6 | 10.5 | 10.1 | 7.6 | 7.7 | 4.8 |
| Precipitation (mm) | 72 | 96 | 112 | 80 | 37 | 49 | 127 | 153 | 92 | 81 | 20 | 70 |
| Sunny days | 13 | 16 | 11 | 18 | 19 | 21 | 11 | 12 | 18 | 17 | 23 | 17 |
| Rainy days | 11 | 11 | 19 | 12 | 12 | 9 | 20 | 19 | 12 | 14 | 6 | 14 |
| Snow days | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Heman during the most sunny months:
The largest precipitation sum in Heman is at