Average annual temperature is 13.9 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 249 days
Number of rainy days: 108 days
Number of snow days: 8 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) | 13.3 | 15.1 | 26.7 | 27.8 | 35.5 | 38.1 | 36.0 | 34.5 | 31.5 | 27.2 | 28.1 | 19.8 |
| Average daytime temperature (°C) | 4.4 | 7.3 | 17.0 | 19.2 | 25.1 | 31.0 | 32.1 | 29.9 | 26.5 | 22.2 | 11.4 | 3.3 |
| Average temperature (°C) | -0.6 | 2.0 | 10.6 | 13.6 | 19.8 | 25.0 | 27.0 | 25.0 | 21.5 | 16.5 | 6.5 | -1.2 |
| Average night temperature (°C) | -4.9 | -2.1 | 4.8 | 9.1 | 15.1 | 19.3 | 23.0 | 20.8 | 17.4 | 11.7 | 1.8 | -5.2 |
| Absolute minimum temperature (°C) | -15.3 | -5.2 | -2.9 | 3.6 | 10.0 | 15.2 | 19.6 | 15.2 | 10.1 | 5.0 | -6.0 | -16.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 8.0 | 9.6 | 7.9 | 7.9 | 10.0 | 9.6 | 9.9 | 8.7 | 8.4 | 7.2 | 6.3 |
| Precipitation (mm) | 7 | 7 | 1 | 66 | 36 | 45 | 178 | 97 | 92 | 0 | 15 | 22 |
| Sunny days | 26 | 25 | 26 | 20 | 17 | 14 | 13 | 17 | 19 | 25 | 22 | 25 |
| Rainy days | 2 | 3 | 4 | 10 | 14 | 16 | 18 | 14 | 11 | 6 | 6 | 4 |
| Snow days | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Hekou is at