Average annual temperature is 10.5 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 268 days
Number of rainy days: 85 days
Number of snow days: 12 days
Look at detailed online map of Helankou
* Weather data for Helankou 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) | 7.2 | 9.2 | 20.1 | 27.6 | 29.4 | 34.1 | 33.5 | 33.1 | 29.0 | 21.4 | 19.2 | 10.8 |
| Average daytime temperature (°C) | -0.7 | 3.3 | 12.8 | 14.2 | 21.4 | 27.7 | 28.9 | 27.8 | 22.3 | 16.6 | 5.4 | -0.3 |
| Average temperature (°C) | -4.9 | -0.4 | 7.3 | 9.6 | 16.5 | 22.6 | 24.2 | 23.5 | 18.2 | 12.3 | 1.1 | -4.2 |
| Average night temperature (°C) | -9.7 | -4.6 | 1.4 | 4.4 | 11.4 | 17.3 | 19.1 | 18.9 | 14.0 | 7.9 | -3.3 | -8.3 |
| Absolute minimum temperature (°C) | -20.2 | -10.5 | -6.1 | -4.0 | 6.7 | 13.7 | 13.7 | 12.1 | 9.2 | 3.0 | -10.9 | -20.8 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.3 | 8.1 | 10.1 | 7.8 | 8.0 | 10.5 | 10.4 | 10.2 | 9.4 | 8.3 | 8.2 | 7.7 |
| Precipitation (mm) | 0 | 13 | 1 | 28 | 30 | 23 | 30 | 49 | 20 | 10 | 10 | 2 |
| Sunny days | 28 | 23 | 27 | 16 | 17 | 24 | 21 | 21 | 17 | 23 | 24 | 27 |
| Rainy days | 0 | 2 | 4 | 13 | 14 | 6 | 10 | 10 | 13 | 8 | 5 | 0 |
| Snow days | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Helankou is at