Average annual temperature is 8.0 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -27.5 °C
Number of sunny days: 224 days
Number of rainy days: 119 days
Number of snow days: 22 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) | 6.4 | 9.3 | 17.7 | 24.1 | 27.1 | 29.9 | 31.2 | 29.7 | 26.2 | 18.2 | 19.2 | 10.8 |
| Average daytime temperature (°C) | -1.4 | 2.9 | 10.6 | 12.4 | 19.1 | 25.6 | 26.8 | 25.0 | 20.4 | 15.1 | 4.9 | -3.1 |
| Average temperature (°C) | -6.4 | -2.7 | 4.3 | 6.8 | 13.7 | 19.5 | 21.7 | 20.0 | 15.4 | 9.8 | -0.1 | -7.3 |
| Average night temperature (°C) | -12.1 | -7.5 | -2.0 | 1.4 | 8.4 | 12.9 | 16.9 | 15.7 | 10.9 | 4.8 | -4.8 | -12.2 |
| Absolute minimum temperature (°C) | -27.5 | -12.5 | -9.1 | -3.2 | 3.1 | 7.7 | 13.2 | 9.4 | 3.9 | 0.0 | -12.4 | -25.1 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 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) | 8.3 | 8.3 | 10.0 | 8.0 | 8.0 | 12.1 | 10.0 | 10.0 | 8.5 | 8.9 | 8.1 | 7.6 |
| Precipitation (mm) | 9 | 13 | 20 | 72 | 58 | 36 | 201 | 133 | 75 | 12 | 9 | 19 |
| Sunny days | 28 | 20 | 23 | 13 | 12 | 18 | 14 | 9 | 12 | 24 | 25 | 26 |
| Rainy days | 0 | 0 | 5 | 15 | 19 | 12 | 17 | 22 | 18 | 7 | 2 | 2 |
| Snow days | 3 | 8 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at