Average annual temperature is 6.4 °C
Absolute maximum temperature: 27.6 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 187 days
Number of rainy days: 147 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) | 7.2 | 5.8 | 12.8 | 22.3 | 21.7 | 25.4 | 27.6 | 25.6 | 24.9 | 15.1 | 13.9 | 10.0 |
| Average daytime temperature (°C) | -1.9 | 1.2 | 7.9 | 11.8 | 15.6 | 20.7 | 23.2 | 22.7 | 18.2 | 11.7 | 6.6 | 1.5 |
| Average temperature (°C) | -6.8 | -3.3 | 2.5 | 6.1 | 10.5 | 15.4 | 17.9 | 17.2 | 13.5 | 7.0 | 1.0 | -4.1 |
| Average night temperature (°C) | -11.5 | -7.1 | -2.7 | 0.3 | 5.8 | 10.4 | 13.1 | 12.5 | 9.9 | 3.2 | -3.7 | -8.5 |
| Absolute minimum temperature (°C) | -19.9 | -12.4 | -7.6 | -7.7 | 0.5 | 5.4 | 9.1 | 6.6 | 3.6 | -0.7 | -7.8 | -16.6 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 5.7 | 7.4 | 7.5 | 6.9 | 9.3 | 9.7 | 9.9 | 7.7 | 6.7 | 7.3 | 7.6 |
| Precipitation (mm) | 9 | 25 | 31 | 53 | 86 | 60 | 120 | 103 | 105 | 73 | 4 | 4 |
| Sunny days | 23 | 14 | 17 | 16 | 8 | 14 | 12 | 14 | 7 | 14 | 23 | 25 |
| Rainy days | 0 | 3 | 10 | 11 | 23 | 16 | 19 | 17 | 23 | 17 | 4 | 4 |
| Snow days | 8 | 11 | 4 | 3 | 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