Average annual temperature is 3.9 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -32.7 °C
Number of sunny days: 208 days
Number of rainy days: 119 days
Number of snow days: 38 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) | 0.3 | 6.7 | 15.2 | 20.9 | 27.4 | 32.6 | 31.0 | 32.4 | 27.8 | 21.6 | 2.7 | 0.2 |
| Average daytime temperature (°C) | -14.2 | -5.4 | 6.6 | 12.3 | 21.2 | 24.7 | 26.5 | 24.8 | 20.9 | 13.0 | -6.0 | -13.6 |
| Average temperature (°C) | -19.5 | -11.7 | 0.5 | 5.9 | 14.7 | 19.4 | 22.3 | 20.9 | 15.6 | 7.1 | -10.1 | -19.1 |
| Average night temperature (°C) | -24.6 | -16.8 | -4.7 | 0.3 | 7.9 | 14.6 | 18.3 | 17.6 | 11.0 | 2.5 | -14.5 | -24.2 |
| Absolute minimum temperature (°C) | -32.7 | -22.1 | -11.2 | -4.1 | 0.1 | 6.9 | 15.5 | 13.4 | 5.3 | -4.9 | -24.3 | -31.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 7.2 | 7.9 | 9.6 | 9.1 | 10.6 | 9.6 | 8.9 | 7.6 | 9.3 | 8.7 | 5.3 | 6.2 |
| Precipitation (mm) | 1 | 7 | 16 | 40 | 25 | 162 | 156 | 219 | 65 | 8 | 63 | 3 |
| Sunny days | 27 | 21 | 25 | 16 | 20 | 7 | 6 | 7 | 14 | 25 | 14 | 26 |
| Rainy days | 0 | 0 | 2 | 11 | 11 | 23 | 25 | 24 | 16 | 6 | 1 | 0 |
| Snow days | 4 | 7 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 5 |
The best time to visit Heli during the most sunny months:
Months with the longest average daylight duration in Heli:
The largest precipitation sum in Heli is at