Average annual temperature is 14.8 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 274 days
Number of rainy days: 86 days
Number of snow days: 5 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) | 11.4 | 14.5 | 30.0 | 28.4 | 38.8 | 40.8 | 40.5 | 35.9 | 34.1 | 28.5 | 28.4 | 18.4 |
| Average daytime temperature (°C) | 3.5 | 7.4 | 17.3 | 19.8 | 26.7 | 32.8 | 34.1 | 30.1 | 28.5 | 23.2 | 10.7 | 2.5 |
| Average temperature (°C) | -1.3 | 1.9 | 10.7 | 14.6 | 21.0 | 27.0 | 29.2 | 26.6 | 23.9 | 17.8 | 7.1 | -1.2 |
| Average night temperature (°C) | -5.3 | -2.4 | 4.3 | 10.0 | 16.2 | 21.5 | 25.0 | 23.4 | 19.7 | 13.5 | 3.6 | -4.7 |
| Absolute minimum temperature (°C) | -12.1 | -5.8 | -2.8 | 5.9 | 9.7 | 16.1 | 22.5 | 18.9 | 15.3 | 7.9 | -3.8 | -11.4 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.4 | 8.3 | 10.1 | 8.0 | 8.4 | 10.7 | 10.1 | 9.7 | 9.2 | 8.6 | 7.4 | 5.9 |
| Precipitation (mm) | 2 | 2 | 1 | 44 | 45 | 53 | 149 | 94 | 37 | 9 | 34 | 19 |
| Sunny days | 27 | 26 | 28 | 20 | 21 | 24 | 15 | 15 | 22 | 26 | 24 | 26 |
| Rainy days | 2 | 2 | 3 | 10 | 10 | 6 | 16 | 16 | 8 | 5 | 6 | 2 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Hekou is at