Average annual temperature is 5.5 °C
Absolute maximum temperature: 27.0 °C
Absolute minimum temperature: -28.6 °C
Number of sunny days: 223 days
Number of rainy days: 111 days
Number of snow days: 31 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) | 6.5 | 6.5 | 13.2 | 22.9 | 23.0 | 25.8 | 27.0 | 26.5 | 22.4 | 16.3 | 17.5 | 6.4 |
| Average daytime temperature (°C) | -4.7 | -0.2 | 7.7 | 8.5 | 15.6 | 21.9 | 23.0 | 22.0 | 17.7 | 12.2 | 1.9 | -5.2 |
| Average temperature (°C) | -9.2 | -4.9 | 2.3 | 3.9 | 11.0 | 17.1 | 18.7 | 17.8 | 13.2 | 7.5 | -2.7 | -9.1 |
| Average night temperature (°C) | -13.9 | -10.3 | -2.7 | -0.8 | 6.4 | 12.1 | 14.5 | 13.5 | 9.4 | 3.6 | -7.0 | -13.4 |
| Absolute minimum temperature (°C) | -28.6 | -16.5 | -12.3 | -11.5 | 0.9 | 6.3 | 11.0 | 5.9 | 2.6 | -1.7 | -16.1 | -27.1 |
| 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 | 14.5 | 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) | 7.8 | 8.0 | 9.5 | 8.0 | 8.1 | 11.8 | 9.8 | 9.8 | 8.2 | 8.6 | 8.0 | 7.0 |
| Precipitation (mm) | 6 | 19 | 9 | 114 | 93 | 38 | 86 | 87 | 60 | 20 | 11 | 17 |
| Sunny days | 28 | 16 | 21 | 12 | 8 | 23 | 17 | 13 | 12 | 25 | 23 | 25 |
| Rainy days | 1 | 1 | 6 | 9 | 23 | 7 | 14 | 18 | 18 | 6 | 4 | 4 |
| Snow days | 2 | 11 | 4 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at