Average annual temperature is 17.8 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 154 days
Number of rainy days: 208 days
Number of snow days: 3 days
Look at detailed online map of Helou
* Weather data for Helou 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 | 17.7 | 24.6 | 33.2 | 35.0 | 36.3 | 37.9 | 35.7 | 34.3 | 24.0 | 24.4 | 17.4 |
| Average daytime temperature (°C) | 10.5 | 13.1 | 18.5 | 23.2 | 27.5 | 29.9 | 33.0 | 31.8 | 27.9 | 21.4 | 17.8 | 11.6 |
| Average temperature (°C) | 5.9 | 9.6 | 13.6 | 18.3 | 22.4 | 24.9 | 28.2 | 27.4 | 23.8 | 17.8 | 13.6 | 7.6 |
| Average night temperature (°C) | 1.1 | 5.9 | 8.5 | 13.4 | 17.7 | 20.4 | 23.6 | 23.6 | 20.4 | 14.4 | 9.3 | 3.3 |
| Absolute minimum temperature (°C) | -3.0 | 2.2 | 3.4 | 7.3 | 14.0 | 14.9 | 19.3 | 19.6 | 16.7 | 10.1 | 4.1 | -1.7 |
| 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) | 10.3 | 11.1 | 12.0 | 13.0 | 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) | 5.8 | 3.4 | 6.1 | 7.0 | 6.9 | 6.6 | 9.2 | 9.2 | 6.3 | 4.4 | 5.5 | 4.3 |
| Precipitation (mm) | 3 | 29 | 47 | 106 | 62 | 58 | 198 | 117 | 180 | 87 | 29 | 10 |
| Sunny days | 24 | 10 | 14 | 14 | 9 | 13 | 9 | 9 | 6 | 9 | 20 | 17 |
| Rainy days | 5 | 18 | 17 | 16 | 22 | 17 | 22 | 22 | 24 | 22 | 10 | 13 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Helou during the most sunny months:
The largest precipitation sum in Helou is at