Average annual temperature is 16.0 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 242 days
Number of rainy days: 118 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) | 16.7 | 20.1 | 28.6 | 28.0 | 33.3 | 35.7 | 39.8 | 34.3 | 31.1 | 26.9 | 28.6 | 22.7 |
| Average daytime temperature (°C) | 8.0 | 9.6 | 19.2 | 21.2 | 25.1 | 30.6 | 34.3 | 30.2 | 26.4 | 22.6 | 14.5 | 6.7 |
| Average temperature (°C) | 3.0 | 5.2 | 13.4 | 16.2 | 20.8 | 26.0 | 29.1 | 26.6 | 22.7 | 17.5 | 9.1 | 1.4 |
| Average night temperature (°C) | -1.5 | 1.4 | 7.7 | 11.4 | 17.0 | 21.4 | 24.3 | 23.0 | 19.2 | 12.2 | 4.1 | -3.1 |
| Absolute minimum temperature (°C) | -7.9 | -2.7 | 1.7 | 5.1 | 12.2 | 16.0 | 20.3 | 17.5 | 13.9 | 7.8 | -1.8 | -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 | 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 | 14.3 | 13.5 | 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) | 7.4 | 6.6 | 9.0 | 7.7 | 7.4 | 9.0 | 9.8 | 9.5 | 7.2 | 7.5 | 7.5 | 6.9 |
| Precipitation (mm) | 7 | 17 | 18 | 75 | 98 | 50 | 105 | 129 | 88 | 21 | 20 | 37 |
| Sunny days | 28 | 20 | 26 | 21 | 17 | 16 | 17 | 12 | 12 | 24 | 26 | 23 |
| Rainy days | 2 | 7 | 5 | 9 | 14 | 14 | 14 | 19 | 18 | 7 | 3 | 6 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Hekou is at