Average annual temperature is 8.5 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: -17.8 °C
Number of sunny days: 186 days
Number of rainy days: 147 days
Number of snow days: 32 days
Look at detailed online map of Helao
* Weather data for Helao 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) | 6.8 | 7.3 | 15.2 | 24.3 | 23.2 | 27.6 | 30.1 | 28.1 | 27.8 | 16.7 | 14.7 | 11.3 |
| Average daytime temperature (°C) | 0.1 | 2.6 | 10.0 | 13.9 | 17.8 | 23.1 | 25.8 | 25.1 | 20.5 | 13.6 | 8.4 | 3.2 |
| Average temperature (°C) | -4.9 | -1.7 | 4.4 | 8.1 | 12.5 | 17.5 | 20.1 | 19.6 | 15.7 | 9.2 | 2.7 | -2.2 |
| Average night temperature (°C) | -9.8 | -5.9 | -0.9 | 2.3 | 7.9 | 12.2 | 15.0 | 14.9 | 11.9 | 5.3 | -2.0 | -6.8 |
| Absolute minimum temperature (°C) | -17.8 | -14.5 | -6.0 | -5.7 | 2.1 | 7.7 | 10.5 | 9.0 | 6.7 | 1.0 | -6.0 | -14.8 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 5.6 | 7.5 | 7.7 | 7.1 | 8.9 | 10.0 | 9.7 | 7.1 | 6.6 | 7.1 | 7.5 |
| Precipitation (mm) | 7 | 25 | 27 | 52 | 83 | 55 | 107 | 74 | 97 | 78 | 3 | 4 |
| Sunny days | 22 | 13 | 18 | 17 | 6 | 16 | 11 | 12 | 7 | 16 | 25 | 23 |
| Rainy days | 1 | 2 | 11 | 11 | 25 | 14 | 20 | 19 | 23 | 15 | 3 | 3 |
| Snow days | 8 | 13 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The best time to visit Helao during the most sunny months:
The largest precipitation sum in Helao is at