Average annual temperature is 13.2 °C
Absolute maximum temperature: 28.2 °C
Absolute minimum temperature: -6.3 °C
Number of sunny days: 79 days
Number of rainy days: 280 days
Number of snow days: 6 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) | 15.2 | 13.2 | 18.0 | 25.5 | 26.7 | 27.1 | 28.2 | 27.3 | 28.1 | 22.3 | 20.6 | 21.2 |
| Average daytime temperature (°C) | 5.4 | 7.8 | 12.9 | 17.5 | 20.6 | 22.0 | 25.3 | 25.1 | 23.0 | 17.1 | 13.2 | 7.8 |
| Average temperature (°C) | 2.2 | 4.4 | 9.2 | 13.8 | 17.3 | 19.0 | 21.8 | 21.6 | 19.5 | 14.1 | 10.0 | 4.7 |
| Average night temperature (°C) | -0.8 | 1.4 | 5.9 | 10.7 | 14.3 | 16.3 | 18.8 | 18.7 | 16.7 | 11.6 | 7.4 | 1.7 |
| Absolute minimum temperature (°C) | -5.6 | -1.7 | 1.6 | 4.1 | 8.5 | 12.4 | 14.8 | 14.6 | 13.3 | 7.4 | 0.6 | -6.3 |
| 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 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 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) | 4.2 | 2.9 | 4.8 | 6.9 | 7.0 | 5.7 | 8.1 | 9.8 | 8.1 | 5.5 | 5.3 | 4.2 |
| Precipitation (mm) | 24 | 47 | 144 | 290 | 302 | 286 | 216 | 136 | 225 | 185 | 113 | 44 |
| Sunny days | 16 | 7 | 2 | 3 | 2 | 5 | 4 | 1 | 7 | 7 | 9 | 16 |
| Rainy days | 9 | 21 | 29 | 27 | 29 | 25 | 27 | 30 | 23 | 24 | 21 | 15 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heli during the most sunny months:
The largest precipitation sum in Heli is at