Average annual temperature is 17.5 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 138 days
Number of rainy days: 226 days
Number of snow days: 1 day
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) | 23.0 | 17.5 | 25.1 | 30.2 | 32.5 | 33.9 | 35.2 | 35.0 | 34.3 | 29.6 | 27.2 | 22.2 |
| Average daytime temperature (°C) | 11.3 | 10.1 | 17.5 | 21.9 | 25.9 | 28.8 | 32.3 | 31.1 | 27.7 | 22.9 | 17.9 | 11.2 |
| Average temperature (°C) | 6.5 | 6.8 | 13.1 | 17.6 | 21.9 | 25.2 | 28.7 | 27.2 | 24.1 | 18.7 | 13.0 | 6.6 |
| Average night temperature (°C) | 1.7 | 3.5 | 9.0 | 13.7 | 18.3 | 22.1 | 25.7 | 23.7 | 21.0 | 15.2 | 8.7 | 2.8 |
| Absolute minimum temperature (°C) | -4.1 | -2.1 | 3.7 | 6.6 | 12.1 | 17.6 | 23.6 | 18.4 | 16.7 | 10.6 | 2.0 | -4.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.6 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 5.9 | 3.2 | 6.0 | 6.7 | 6.7 | 7.3 | 9.5 | 9.4 | 6.4 | 5.2 | 6.0 | 5.9 |
| Precipitation (mm) | 54 | 97 | 146 | 281 | 151 | 222 | 149 | 148 | 73 | 83 | 55 | 55 |
| Sunny days | 21 | 11 | 9 | 9 | 6 | 6 | 7 | 8 | 10 | 15 | 17 | 19 |
| Rainy days | 9 | 17 | 22 | 21 | 25 | 24 | 24 | 23 | 20 | 16 | 13 | 12 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at