Average annual temperature is 19.1 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 0.2 °C
Number of sunny days: 117 days
Number of rainy days: 248 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) | 17.4 | 17.8 | 24.1 | 32.3 | 31.4 | 34.3 | 35.4 | 36.0 | 35.5 | 27.3 | 25.7 | 19.3 |
| Average daytime temperature (°C) | 11.6 | 14.4 | 18.6 | 24.1 | 26.6 | 28.3 | 31.8 | 32.2 | 29.4 | 22.9 | 19.2 | 13.4 |
| Average temperature (°C) | 7.9 | 11.0 | 14.8 | 19.8 | 22.7 | 24.8 | 27.8 | 28.2 | 25.8 | 19.6 | 15.5 | 10.2 |
| Average night temperature (°C) | 4.2 | 7.5 | 10.7 | 15.6 | 19.3 | 21.7 | 24.2 | 24.6 | 22.4 | 16.6 | 12.0 | 6.6 |
| Absolute minimum temperature (°C) | 0.2 | 4.9 | 6.9 | 10.0 | 13.8 | 18.1 | 19.5 | 20.2 | 19.4 | 11.0 | 7.6 | 1.5 |
| 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 | 12.3 | 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 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 3.9 | 3.1 | 4.7 | 7.4 | 6.8 | 5.7 | 8.5 | 9.3 | 6.9 | 4.6 | 5.0 | 2.9 |
| Precipitation (mm) | 29 | 44 | 178 | 105 | 272 | 229 | 356 | 157 | 248 | 172 | 76 | 27 |
| Sunny days | 12 | 11 | 6 | 12 | 6 | 10 | 6 | 7 | 10 | 8 | 14 | 15 |
| Rainy days | 19 | 17 | 25 | 18 | 25 | 20 | 25 | 24 | 20 | 23 | 16 | 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