Average annual temperature is 9.3 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 299 days
Number of rainy days: 51 days
Number of snow days: 15 days
Look at detailed online map of Hekou
* Weather data for Hekou 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) | 8.7 | 10.4 | 18.6 | 28.8 | 28.0 | 33.7 | 35.9 | 34.3 | 30.9 | 19.8 | 18.2 | 9.2 |
| Average daytime temperature (°C) | -3.0 | 2.6 | 11.6 | 14.1 | 21.0 | 27.9 | 30.7 | 28.5 | 23.3 | 16.0 | 5.6 | -1.4 |
| Average temperature (°C) | -8.2 | -2.3 | 5.7 | 8.5 | 15.2 | 22.5 | 25.0 | 23.2 | 18.0 | 10.2 | 0.1 | -6.6 |
| Average night temperature (°C) | -13.4 | -7.9 | -1.2 | 2.0 | 8.8 | 16.3 | 18.3 | 17.0 | 11.3 | 4.6 | -5.4 | -12.3 |
| Absolute minimum temperature (°C) | -20.3 | -12.1 | -6.5 | -6.0 | 2.4 | 9.7 | 11.9 | 12.0 | 4.3 | -1.3 | -12.7 | -23.2 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 8.0 | 8.2 | 10.5 | 9.2 | 9.1 | 9.6 | 10.2 | 9.0 | 9.8 | 8.8 | 8.2 | 7.6 |
| Precipitation (mm) | 1 | 4 | 1 | 10 | 23 | 16 | 15 | 6 | 4 | 7 | 8 | 2 |
| Sunny days | 29 | 23 | 29 | 19 | 22 | 19 | 24 | 26 | 26 | 26 | 28 | 28 |
| Rainy days | 0 | 0 | 1 | 7 | 9 | 11 | 7 | 5 | 4 | 5 | 1 | 1 |
| Snow days | 2 | 5 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Hekou is at