Average annual temperature is 11.5 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -16.8 °C
Number of sunny days: 244 days
Number of rainy days: 104 days
Number of snow days: 17 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) | 7.8 | 7.8 | 18.2 | 21.2 | 30.2 | 30.1 | 32.2 | 32.6 | 30.6 | 24.2 | 25.6 | 15.2 |
| Average daytime temperature (°C) | 0.4 | 3.2 | 10.6 | 15.4 | 21.7 | 25.6 | 28.1 | 28.4 | 26.2 | 20.2 | 8.1 | 0.1 |
| Average temperature (°C) | -3.5 | -0.8 | 5.4 | 10.8 | 17.1 | 21.3 | 25.0 | 24.7 | 21.7 | 15.5 | 4.3 | -3.7 |
| Average night temperature (°C) | -7.5 | -4.0 | 1.4 | 7.1 | 13.4 | 17.7 | 22.2 | 21.4 | 17.7 | 11.6 | 0.1 | -7.8 |
| Absolute minimum temperature (°C) | -16.2 | -7.6 | -5.1 | 3.1 | 10.4 | 14.3 | 20.0 | 17.0 | 13.7 | 5.9 | -7.7 | -16.8 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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 | 8.5 | 9.9 | 9.1 | 9.0 | 11.1 | 9.5 | 9.9 | 9.7 | 8.7 | 6.7 | 6.2 |
| Precipitation (mm) | 6 | 4 | 0 | 63 | 80 | 132 | 198 | 151 | 24 | 33 | 35 | 23 |
| Sunny days | 29 | 25 | 28 | 21 | 22 | 16 | 14 | 15 | 18 | 22 | 18 | 16 |
| Rainy days | 2 | 2 | 3 | 9 | 9 | 14 | 17 | 16 | 12 | 9 | 8 | 3 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 12 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at