Average annual temperature is 24.6 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 8.3 °C
Number of sunny days: 104 days
Number of rainy days: 261 days
Look at detailed online map of Heliu
* Weather data for Heliu 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) | 27.1 | 31.5 | 36.8 | 35.7 | 38.9 | 36.2 | 37.0 | 32.5 | 32.5 | 32.3 | 30.4 | 29.4 |
| Average daytime temperature (°C) | 19.6 | 24.4 | 28.2 | 30.6 | 32.3 | 31.9 | 33.4 | 31.1 | 30.1 | 28.2 | 26.1 | 22.7 |
| Average temperature (°C) | 16.6 | 20.3 | 23.0 | 26.0 | 28.1 | 28.5 | 29.4 | 28.1 | 27.0 | 25.4 | 22.8 | 19.4 |
| Average night temperature (°C) | 13.8 | 17.4 | 19.5 | 23.1 | 25.3 | 26.1 | 26.5 | 25.8 | 24.7 | 23.4 | 20.3 | 16.9 |
| Absolute minimum temperature (°C) | 8.3 | 12.0 | 15.5 | 19.7 | 21.7 | 24.6 | 24.9 | 24.3 | 23.8 | 21.2 | 14.1 | 9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 4.5 | 7.6 | 9.1 | 9.2 | 10.0 | 9.1 | 10.9 | 8.8 | 7.8 | 7.4 | 8.7 | 6.6 |
| Precipitation (mm) | 68 | 29 | 61 | 94 | 203 | 213 | 272 | 236 | 415 | 254 | 36 | 18 |
| Sunny days | 12 | 10 | 17 | 7 | 10 | 3 | 7 | 1 | 0 | 6 | 16 | 15 |
| Rainy days | 19 | 18 | 14 | 23 | 21 | 27 | 24 | 30 | 30 | 25 | 14 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heliu during the most sunny months:
The largest precipitation sum in Heliu is at