Average annual temperature is 14.0 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 314 days
Number of rainy days: 36 days
Number of snow days: 15 days
Look at detailed online map of Heni
* Weather data for Heni China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 4.9 | 13.6 | 25.1 | 31.1 | 35.5 | 38.5 | 40.7 | 37.8 | 34.5 | 25.4 | 21.5 | 16.0 |
| Average daytime temperature (°C) | -1.9 | 7.4 | 19.6 | 22.6 | 26.4 | 33.2 | 33.9 | 32.7 | 29.2 | 21.8 | 12.3 | 4.9 |
| Average temperature (°C) | -6.7 | 1.5 | 12.2 | 16.0 | 20.3 | 27.2 | 28.0 | 26.8 | 22.7 | 15.0 | 5.5 | -1.0 |
| Average night temperature (°C) | -11.1 | -3.7 | 4.6 | 8.5 | 13.1 | 20.1 | 21.7 | 20.4 | 15.9 | 8.5 | -0.5 | -5.7 |
| Absolute minimum temperature (°C) | -17.0 | -9.1 | -0.4 | 0.9 | 3.3 | 13.2 | 17.5 | 17.0 | 9.4 | 2.5 | -3.8 | -10.4 |
| 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 | 9.7 |
| 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) | 7.8 | 8.4 | 9.3 | 8.7 | 8.8 | 8.9 | 8.6 | 8.5 | 9.0 | 8.5 | 8.5 | 8.0 |
| Precipitation (mm) | 6 | 6 | 0 | 3 | 13 | 0 | 7 | 4 | 3 | 0 | 0 | 1 |
| Sunny days | 23 | 19 | 30 | 25 | 26 | 30 | 22 | 26 | 27 | 30 | 29 | 27 |
| Rainy days | 0 | 4 | 1 | 5 | 5 | 0 | 9 | 5 | 3 | 1 | 1 | 2 |
| Snow days | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Heni is at