Average annual temperature is 18.6 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -1.4 °C
Number of sunny days: 121 days
Number of rainy days: 243 days
Number of snow days: 1 day
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) | 16.5 | 20.2 | 23.1 | 32.5 | 33.3 | 35.0 | 36.2 | 35.2 | 34.2 | 27.0 | 24.2 | 18.6 |
| Average daytime temperature (°C) | 11.3 | 15.2 | 18.6 | 24.0 | 26.9 | 27.8 | 31.5 | 31.3 | 29.1 | 22.4 | 19.1 | 13.3 |
| Average temperature (°C) | 7.1 | 11.5 | 14.6 | 19.4 | 22.6 | 24.1 | 27.1 | 27.3 | 24.9 | 19.1 | 15.3 | 9.6 |
| Average night temperature (°C) | 2.9 | 8.4 | 10.7 | 15.3 | 19.2 | 21.0 | 23.4 | 23.8 | 21.5 | 16.4 | 11.9 | 5.8 |
| Absolute minimum temperature (°C) | -1.4 | 5.8 | 4.4 | 9.1 | 14.8 | 18.2 | 19.2 | 20.0 | 19.0 | 11.5 | 7.1 | 0.4 |
| 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 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 5.1 | 4.5 | 5.1 | 7.5 | 7.2 | 5.9 | 8.9 | 8.9 | 7.5 | 4.9 | 5.1 | 4.2 |
| Precipitation (mm) | 11 | 25 | 92 | 132 | 121 | 131 | 328 | 220 | 144 | 140 | 64 | 10 |
| Sunny days | 20 | 9 | 5 | 8 | 8 | 9 | 13 | 8 | 12 | 3 | 10 | 16 |
| Rainy days | 10 | 19 | 26 | 22 | 23 | 21 | 18 | 23 | 18 | 28 | 20 | 15 |
| Snow days | 1 | 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