Average annual temperature is 16.0 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 123 days
Number of rainy days: 241 days
Number of snow days: 1 day
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) | 15.5 | 13.9 | 22.5 | 28.1 | 28.1 | 30.0 | 32.3 | 33.1 | 31.8 | 23.3 | 22.4 | 16.8 |
| Average daytime temperature (°C) | 9.0 | 10.7 | 15.5 | 20.8 | 23.0 | 25.3 | 29.0 | 29.2 | 25.6 | 19.7 | 16.2 | 10.8 |
| Average temperature (°C) | 5.0 | 7.9 | 11.6 | 16.6 | 19.4 | 22.3 | 25.3 | 25.3 | 22.4 | 16.3 | 12.3 | 7.4 |
| Average night temperature (°C) | 0.3 | 4.3 | 7.0 | 12.0 | 15.6 | 19.0 | 21.8 | 21.5 | 19.4 | 12.9 | 8.1 | 3.5 |
| Absolute minimum temperature (°C) | -3.9 | 0.4 | 2.8 | 5.3 | 9.1 | 14.9 | 18.0 | 17.1 | 15.8 | 5.9 | 0.2 | -2.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 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 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 5.5 | 2.9 | 5.4 | 7.1 | 6.0 | 5.8 | 8.9 | 10.0 | 5.9 | 5.3 | 5.5 | 4.4 |
| Precipitation (mm) | 44 | 38 | 91 | 128 | 230 | 183 | 195 | 158 | 367 | 137 | 101 | 60 |
| Sunny days | 19 | 9 | 9 | 14 | 6 | 5 | 5 | 6 | 8 | 12 | 14 | 16 |
| Rainy days | 11 | 19 | 22 | 16 | 25 | 25 | 26 | 25 | 22 | 19 | 16 | 15 |
| Snow days | 1 | 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