Average annual temperature is -1.4 °C
Absolute maximum temperature: 18.5 °C
Absolute minimum temperature: -22.4 °C
Number of sunny days: 112 days
Number of rainy days: 148 days
Number of snow days: 105 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) | 4.8 | 6.9 | 3.4 | 9.3 | 16.6 | 18.5 | 16.3 | 17.5 | 14.8 | 14.3 | 5.0 | 4.4 |
| Average daytime temperature (°C) | -1.1 | 0.3 | 0.7 | 2.5 | 5.7 | 13.4 | 13.9 | 14.3 | 12.5 | 4.2 | -0.1 | -1.8 |
| Average temperature (°C) | -8.8 | -6.4 | -5.8 | -4.4 | -0.8 | 6.5 | 8.3 | 8.4 | 5.4 | -2.6 | -7.3 | -9.0 |
| Average night temperature (°C) | -16.7 | -13.5 | -12.1 | -11.4 | -8.4 | -0.2 | 3.1 | 3.4 | -1.0 | -8.6 | -13.9 | -15.8 |
| Absolute minimum temperature (°C) | -22.4 | -17.5 | -19.8 | -21.2 | -17.6 | -3.7 | -1.4 | -2.5 | -3.6 | -17.0 | -18.4 | -20.9 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.4 | 9.8 | 10.0 | 10.7 | 11.6 | 11.3 | 10.1 | 9.8 | 10.5 | 9.4 | 9.4 | 8.7 |
| Precipitation (mm) | 0 | 2 | 35 | 66 | 87 | 139 | 210 | 191 | 97 | 63 | 12 | 8 |
| Sunny days | 30 | 22 | 8 | 5 | 1 | 2 | 1 | 0 | 2 | 5 | 16 | 20 |
| Rainy days | 0 | 1 | 4 | 1 | 11 | 28 | 30 | 31 | 28 | 11 | 2 | 1 |
| Snow days | 1 | 5 | 19 | 24 | 19 | 0 | 0 | 0 | 0 | 15 | 12 | 10 |
The largest precipitation sum in Heli is at