Average annual temperature is 11.2 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 257 days
Number of rainy days: 98 days
Number of snow days: 10 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) | 12.1 | 12.1 | 24.2 | 25.7 | 31.9 | 35.3 | 37.8 | 32.3 | 28.3 | 24.9 | 23.7 | 16.1 |
| Average daytime temperature (°C) | 2.4 | 5.0 | 14.4 | 16.8 | 23.1 | 30.4 | 30.7 | 27.8 | 23.7 | 19.5 | 7.6 | 0.8 |
| Average temperature (°C) | -3.4 | -0.3 | 7.3 | 10.8 | 17.6 | 23.9 | 25.3 | 23.3 | 18.9 | 12.9 | 1.9 | -5.0 |
| Average night temperature (°C) | -8.7 | -4.9 | 0.5 | 5.1 | 12.3 | 16.7 | 19.8 | 19.1 | 14.2 | 7.0 | -2.6 | -9.5 |
| Absolute minimum temperature (°C) | -18.5 | -9.7 | -4.7 | -1.6 | 8.3 | 12.0 | 16.6 | 12.9 | 8.1 | 1.5 | -7.8 | -18.6 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 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) | 8.2 | 7.9 | 9.8 | 7.6 | 7.7 | 11.3 | 9.1 | 8.2 | 8.0 | 8.8 | 7.8 | 6.9 |
| Precipitation (mm) | 5 | 15 | 16 | 60 | 69 | 37 | 277 | 112 | 66 | 12 | 8 | 15 |
| Sunny days | 29 | 24 | 24 | 18 | 16 | 20 | 17 | 12 | 17 | 29 | 25 | 26 |
| Rainy days | 1 | 1 | 6 | 12 | 15 | 10 | 14 | 19 | 13 | 2 | 3 | 2 |
| Snow days | 1 | 3 | 1 | 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