Average annual temperature is 10.3 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -21.0 °C
Number of sunny days: 243 days
Number of rainy days: 105 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) | 7.1 | 11.1 | 22.0 | 25.0 | 31.9 | 38.0 | 37.6 | 34.5 | 30.5 | 23.7 | 22.5 | 13.1 |
| Average daytime temperature (°C) | -0.3 | 4.1 | 13.1 | 16.6 | 23.6 | 30.9 | 30.1 | 28.6 | 24.5 | 19.2 | 5.7 | -0.9 |
| Average temperature (°C) | -6.2 | -2.2 | 5.5 | 10.3 | 17.7 | 23.9 | 24.9 | 23.4 | 18.8 | 12.0 | 0.3 | -6.1 |
| Average night temperature (°C) | -11.2 | -7.2 | -0.6 | 4.3 | 11.8 | 16.8 | 20.1 | 18.9 | 14.1 | 6.3 | -3.7 | -10.0 |
| Absolute minimum temperature (°C) | -21.0 | -10.9 | -5.2 | -2.4 | 5.9 | 11.2 | 16.7 | 13.0 | 6.3 | 1.4 | -10.9 | -19.9 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 8.0 | 7.8 | 10.0 | 9.0 | 8.9 | 11.5 | 8.7 | 8.9 | 9.0 | 9.3 | 7.4 | 6.5 |
| Precipitation (mm) | 1 | 14 | 4 | 16 | 30 | 12 | 225 | 58 | 72 | 14 | 10 | 13 |
| Sunny days | 28 | 23 | 24 | 18 | 14 | 18 | 10 | 12 | 18 | 26 | 27 | 25 |
| Rainy days | 0 | 0 | 4 | 11 | 17 | 12 | 21 | 19 | 12 | 5 | 2 | 2 |
| Snow days | 3 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at