Average annual temperature is 10.9 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 209 days
Number of rainy days: 143 days
Number of snow days: 13 days
Look at detailed online map of Heli
* Weather data for Heli 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) | 11.6 | 11.1 | 21.1 | 27.3 | 29.7 | 31.4 | 36.1 | 29.8 | 29.4 | 20.1 | 20.2 | 15.6 |
| Average daytime temperature (°C) | 3.4 | 6.0 | 14.3 | 17.0 | 21.1 | 26.9 | 29.6 | 26.2 | 22.3 | 16.2 | 10.5 | 4.9 |
| Average temperature (°C) | -2.3 | 1.0 | 7.8 | 10.9 | 15.8 | 20.7 | 23.6 | 21.1 | 17.4 | 11.2 | 4.4 | -1.0 |
| Average night temperature (°C) | -7.0 | -3.9 | 1.3 | 5.5 | 11.0 | 15.1 | 18.3 | 16.8 | 13.2 | 6.7 | -1.3 | -5.8 |
| Absolute minimum temperature (°C) | -13.2 | -10.0 | -4.7 | -2.7 | 3.5 | 10.4 | 12.6 | 10.4 | 9.4 | 1.4 | -6.3 | -13.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 6.0 | 8.1 | 7.9 | 6.0 | 9.1 | 8.8 | 9.5 | 6.9 | 6.5 | 7.6 | 7.2 |
| Precipitation (mm) | 3 | 22 | 28 | 66 | 57 | 57 | 183 | 67 | 73 | 55 | 3 | 13 |
| Sunny days | 28 | 17 | 19 | 14 | 12 | 17 | 14 | 14 | 6 | 19 | 23 | 26 |
| Rainy days | 0 | 4 | 12 | 16 | 19 | 13 | 17 | 17 | 24 | 12 | 6 | 3 |
| Snow days | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Heli is at