Average annual temperature is 10.3 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -21.6 °C
Number of sunny days: 260 days
Number of rainy days: 92 days
Number of snow days: 13 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) | 10.3 | 13.2 | 21.2 | 29.2 | 30.8 | 33.5 | 35.5 | 32.0 | 28.4 | 23.7 | 24.8 | 14.3 |
| Average daytime temperature (°C) | 1.7 | 6.2 | 14.6 | 16.0 | 22.4 | 29.0 | 30.6 | 27.8 | 23.4 | 18.7 | 8.6 | 1.0 |
| Average temperature (°C) | -4.4 | 0.0 | 6.9 | 9.7 | 16.2 | 22.2 | 24.4 | 22.2 | 17.5 | 11.3 | 2.0 | -5.1 |
| Average night temperature (°C) | -10.0 | -4.8 | 0.0 | 3.6 | 10.4 | 15.0 | 18.4 | 17.2 | 12.6 | 5.3 | -2.7 | -10.1 |
| Absolute minimum temperature (°C) | -21.6 | -7.9 | -6.4 | -4.0 | 2.2 | 9.3 | 14.4 | 9.7 | 3.8 | 0.2 | -8.4 | -19.2 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.9 | 8.1 | 9.7 | 8.0 | 7.5 | 11.6 | 10.1 | 10.0 | 7.9 | 8.3 | 7.9 | 7.5 |
| Precipitation (mm) | 5 | 10 | 1 | 95 | 57 | 34 | 110 | 79 | 82 | 13 | 11 | 17 |
| Sunny days | 29 | 21 | 27 | 15 | 16 | 25 | 17 | 16 | 13 | 27 | 27 | 27 |
| Rainy days | 0 | 1 | 4 | 15 | 15 | 5 | 14 | 15 | 17 | 4 | 1 | 1 |
| Snow days | 2 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at