Average annual temperature is 5.7 °C
Absolute maximum temperature: 24.5 °C
Absolute minimum temperature: -15.9 °C
Number of sunny days: 133 days
Number of rainy days: 183 days
Number of snow days: 49 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) | 10.9 | 11.9 | 13.0 | 20.3 | 19.3 | 21.7 | 24.5 | 23.2 | 22.0 | 15.2 | 16.3 | 10.7 |
| Average daytime temperature (°C) | 0.6 | 2.2 | 6.6 | 10.7 | 13.6 | 17.3 | 20.5 | 20.1 | 16.5 | 11.2 | 8.3 | 3.6 |
| Average temperature (°C) | -5.1 | -3.0 | 0.9 | 4.8 | 8.8 | 12.7 | 15.6 | 15.3 | 12.2 | 6.4 | 2.0 | -2.5 |
| Average night temperature (°C) | -10.2 | -7.8 | -4.7 | -0.9 | 4.6 | 8.2 | 10.9 | 11.5 | 8.7 | 2.3 | -3.1 | -7.0 |
| Absolute minimum temperature (°C) | -15.0 | -15.9 | -13.3 | -13.2 | 0.4 | 4.9 | 6.8 | 5.7 | 2.8 | -2.3 | -7.9 | -13.1 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 6.9 | 7.6 | 7.6 | 6.8 | 8.7 | 9.3 | 9.4 | 7.1 | 6.7 | 8.3 | 8.1 |
| Precipitation (mm) | 11 | 31 | 66 | 97 | 148 | 59 | 113 | 83 | 147 | 93 | 8 | 7 |
| Sunny days | 17 | 14 | 11 | 7 | 2 | 11 | 11 | 7 | 4 | 6 | 20 | 23 |
| Rainy days | 0 | 3 | 9 | 18 | 29 | 19 | 20 | 24 | 26 | 25 | 6 | 4 |
| Snow days | 14 | 11 | 11 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 |
The largest precipitation sum in Hekou is at