Average annual temperature is 8.8 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 171 days
Number of rainy days: 151 days
Number of snow days: 43 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) | 15.6 | 12.6 | 16.8 | 25.5 | 25.2 | 28.1 | 29.3 | 28.7 | 28.1 | 17.8 | 18.6 | 15.0 |
| Average daytime temperature (°C) | 2.6 | 5.1 | 10.2 | 13.8 | 17.4 | 21.8 | 24.1 | 24.0 | 20.5 | 13.9 | 9.9 | 5.8 |
| Average temperature (°C) | -2.9 | 0.0 | 4.6 | 8.0 | 12.2 | 16.4 | 19.0 | 18.8 | 15.6 | 9.0 | 4.0 | -0.1 |
| Average night temperature (°C) | -8.7 | -4.8 | -1.2 | 2.0 | 7.2 | 10.8 | 13.6 | 13.7 | 11.1 | 4.5 | -1.0 | -4.8 |
| Absolute minimum temperature (°C) | -16.0 | -13.1 | -9.6 | -10.3 | 2.4 | 7.2 | 10.1 | 8.6 | 6.0 | -0.1 | -4.7 | -12.4 |
| 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) | 8.0 | 7.2 | 7.9 | 7.7 | 6.9 | 9.4 | 10.0 | 9.9 | 7.3 | 6.8 | 8.1 | 8.2 |
| Precipitation (mm) | 8 | 30 | 38 | 54 | 133 | 80 | 87 | 78 | 139 | 93 | 6 | 3 |
| Sunny days | 25 | 15 | 13 | 11 | 5 | 13 | 11 | 11 | 8 | 9 | 23 | 27 |
| Rainy days | 0 | 2 | 7 | 12 | 25 | 17 | 20 | 20 | 22 | 22 | 3 | 1 |
| Snow days | 6 | 11 | 11 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 3 |
The largest precipitation sum in Hekou is at