Average annual temperature is 11.9 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 97 days
Number of rainy days: 265 days
Number of snow days: 3 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) | 15.0 | 17.8 | 22.5 | 27.3 | 30.7 | 31.6 | 26.2 | 25.5 | 23.2 | 22.4 | 17.1 | 16.0 |
| Average daytime temperature (°C) | 9.9 | 13.6 | 16.1 | 21.9 | 24.1 | 22.8 | 23.1 | 22.6 | 21.1 | 16.5 | 13.7 | 11.5 |
| Average temperature (°C) | 2.9 | 6.2 | 8.2 | 13.5 | 16.7 | 17.4 | 17.9 | 18.1 | 16.2 | 12.4 | 7.8 | 5.5 |
| Average night temperature (°C) | -2.9 | -0.7 | 1.0 | 5.1 | 9.6 | 12.9 | 13.6 | 14.1 | 12.1 | 8.7 | 1.7 | -0.3 |
| Absolute minimum temperature (°C) | -7.1 | -3.2 | -2.4 | 0.2 | 7.0 | 10.1 | 10.1 | 10.6 | 7.8 | 3.0 | -1.6 | -3.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.6 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.4 | 8.8 | 9.4 | 10.6 | 10.4 | 8.0 | 8.4 | 8.4 | 8.7 | 6.7 | 8.3 | 7.9 |
| Precipitation (mm) | 4 | 23 | 98 | 29 | 75 | 139 | 314 | 252 | 391 | 220 | 57 | 41 |
| Sunny days | 25 | 18 | 6 | 10 | 10 | 1 | 4 | 1 | 5 | 0 | 8 | 9 |
| Rainy days | 4 | 9 | 25 | 20 | 21 | 29 | 27 | 30 | 25 | 31 | 22 | 22 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heli is at