Average annual temperature is 16.0 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 113 days
Number of rainy days: 250 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) | 16.8 | 15.7 | 24.1 | 29.9 | 29.4 | 32.0 | 33.3 | 33.6 | 32.1 | 25.6 | 23.5 | 17.4 |
| Average daytime temperature (°C) | 9.0 | 10.9 | 15.6 | 21.4 | 23.5 | 25.7 | 29.4 | 29.6 | 26.3 | 20.1 | 16.5 | 11.0 |
| Average temperature (°C) | 4.8 | 7.5 | 11.3 | 16.6 | 19.5 | 22.2 | 25.4 | 25.4 | 22.5 | 16.5 | 12.2 | 7.2 |
| Average night temperature (°C) | 0.1 | 3.7 | 7.2 | 12.3 | 16.0 | 19.2 | 21.6 | 21.4 | 19.0 | 13.0 | 8.0 | 2.8 |
| Absolute minimum temperature (°C) | -3.4 | 0.4 | 3.3 | 7.5 | 11.3 | 15.1 | 15.5 | 15.7 | 16.0 | 7.3 | 4.0 | -2.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 4.9 | 2.9 | 4.3 | 7.0 | 6.2 | 5.6 | 8.5 | 9.9 | 6.7 | 5.1 | 5.4 | 4.7 |
| Precipitation (mm) | 36 | 30 | 86 | 127 | 271 | 288 | 314 | 210 | 312 | 174 | 90 | 50 |
| Sunny days | 16 | 9 | 5 | 10 | 6 | 6 | 3 | 10 | 10 | 7 | 12 | 19 |
| Rainy days | 13 | 19 | 26 | 20 | 25 | 24 | 28 | 21 | 20 | 24 | 18 | 12 |
| 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