Average annual temperature is 9.6 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -23.1 °C
Number of sunny days: 267 days
Number of rainy days: 87 days
Number of snow days: 11 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 | 11.3 | 20.8 | 28.2 | 29.0 | 32.1 | 34.4 | 33.5 | 28.6 | 21.5 | 21.0 | 12.5 |
| Average daytime temperature (°C) | -1.2 | 3.7 | 13.0 | 14.1 | 21.1 | 27.9 | 29.3 | 28.4 | 23.3 | 17.0 | 5.6 | -1.3 |
| Average temperature (°C) | -6.8 | -1.2 | 6.5 | 8.7 | 15.6 | 22.3 | 23.8 | 23.2 | 17.7 | 11.0 | 0.4 | -6.5 |
| Average night temperature (°C) | -12.8 | -6.6 | -0.9 | 3.3 | 10.4 | 16.3 | 18.2 | 17.9 | 12.5 | 5.1 | -4.9 | -11.8 |
| Absolute minimum temperature (°C) | -22.6 | -10.6 | -7.8 | -3.0 | 4.8 | 8.7 | 12.8 | 11.3 | 5.1 | 0.7 | -14.0 | -23.1 |
| 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 | 7.9 | 9.4 | 7.1 | 7.6 | 10.7 | 9.9 | 9.7 | 8.1 | 8.2 | 7.9 | 7.4 |
| Precipitation (mm) | 2 | 13 | 6 | 68 | 70 | 26 | 25 | 49 | 36 | 28 | 1 | 12 |
| Sunny days | 28 | 23 | 25 | 15 | 18 | 25 | 20 | 19 | 19 | 22 | 27 | 26 |
| Rainy days | 1 | 1 | 6 | 14 | 13 | 5 | 11 | 12 | 11 | 9 | 1 | 3 |
| Snow days | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at