Average annual temperature is 9.3 °C
Absolute maximum temperature: 24.4 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 33 days
Number of rainy days: 293 days
Number of snow days: 39 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) | 10.9 | 15.6 | 14.5 | 23.6 | 22.0 | 24.4 | 23.9 | 22.1 | 20.9 | 16.5 | 16.7 | 16.6 |
| Average daytime temperature (°C) | 0.8 | 3.8 | 7.1 | 12.8 | 15.2 | 17.1 | 20.9 | 19.6 | 17.2 | 12.1 | 10.9 | 6.7 |
| Average temperature (°C) | -1.8 | 1.2 | 4.7 | 9.5 | 12.6 | 14.8 | 17.7 | 17.0 | 14.8 | 10.0 | 7.6 | 3.0 |
| Average night temperature (°C) | -4.9 | -1.0 | 2.1 | 6.3 | 10.4 | 12.8 | 14.8 | 14.8 | 12.8 | 8.4 | 4.6 | 0.0 |
| Absolute minimum temperature (°C) | -13.6 | -5.9 | -2.9 | -0.8 | 5.4 | 10.5 | 11.7 | 11.1 | 10.1 | 4.6 | -0.8 | -9.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.0 | 5.0 | 3.6 | 7.4 | 6.1 | 5.2 | 8.0 | 7.9 | 5.5 | 2.6 | 6.2 | 6.2 |
| Precipitation (mm) | 46 | 61 | 182 | 162 | 215 | 167 | 231 | 338 | 252 | 217 | 126 | 27 |
| Sunny days | 12 | 3 | 2 | 1 | 1 | 0 | 3 | 1 | 1 | 0 | 3 | 6 |
| Rainy days | 1 | 10 | 25 | 27 | 30 | 30 | 28 | 30 | 29 | 31 | 27 | 25 |
| Snow days | 18 | 15 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at