Average annual temperature is 17.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 124 days
Number of rainy days: 239 days
Number of snow days: 2 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) | 21.1 | 16.9 | 23.3 | 28.3 | 31.8 | 31.7 | 34.8 | 32.3 | 32.7 | 27.5 | 26.4 | 22.2 |
| Average daytime temperature (°C) | 11.5 | 10.5 | 16.8 | 21.1 | 24.9 | 27.9 | 31.2 | 29.9 | 28.0 | 22.6 | 18.0 | 11.8 |
| Average temperature (°C) | 7.0 | 7.2 | 12.5 | 16.9 | 21.0 | 24.2 | 27.4 | 26.2 | 24.0 | 18.6 | 13.6 | 7.5 |
| Average night temperature (°C) | 2.4 | 4.2 | 8.1 | 12.7 | 17.3 | 21.0 | 23.8 | 23.0 | 20.6 | 15.1 | 9.7 | 3.2 |
| Absolute minimum temperature (°C) | -3.0 | -1.8 | 3.9 | 6.5 | 10.0 | 18.3 | 21.6 | 17.3 | 16.2 | 11.2 | 2.7 | -3.4 |
| 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 | 13.5 | 13.8 | 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) | 6.4 | 3.6 | 5.2 | 6.8 | 7.3 | 7.1 | 10.4 | 9.7 | 7.4 | 6.0 | 6.4 | 6.1 |
| Precipitation (mm) | 22 | 116 | 122 | 257 | 153 | 262 | 107 | 115 | 27 | 52 | 103 | 46 |
| Sunny days | 22 | 8 | 9 | 8 | 5 | 5 | 7 | 5 | 8 | 14 | 18 | 15 |
| Rainy days | 7 | 20 | 22 | 22 | 26 | 25 | 24 | 26 | 22 | 17 | 12 | 16 |
| Snow days | 2 | 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