Average annual temperature is 15.6 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -10.6 °C
Number of sunny days: 257 days
Number of rainy days: 104 days
Number of snow days: 4 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) | 12.9 | 15.6 | 28.1 | 27.6 | 33.7 | 38.0 | 35.4 | 35.6 | 33.0 | 28.2 | 29.1 | 21.2 |
| Average daytime temperature (°C) | 6.7 | 9.6 | 18.7 | 20.6 | 25.9 | 31.8 | 32.6 | 32.1 | 28.3 | 24.3 | 14.0 | 6.1 |
| Average temperature (°C) | 0.9 | 4.2 | 12.0 | 15.3 | 21.0 | 26.3 | 28.2 | 27.4 | 23.7 | 18.5 | 8.6 | 0.9 |
| Average night temperature (°C) | -4.0 | -1.0 | 5.8 | 10.5 | 16.7 | 21.1 | 24.6 | 23.3 | 19.4 | 13.4 | 3.7 | -3.4 |
| Absolute minimum temperature (°C) | -9.5 | -4.8 | -1.0 | 3.2 | 11.2 | 14.1 | 20.9 | 17.7 | 11.4 | 6.6 | -6.1 | -10.6 |
| 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.5 | 9.4 | 7.8 | 7.0 | 8.8 | 9.5 | 10.3 | 7.9 | 8.0 | 7.0 | 6.6 |
| Precipitation (mm) | 16 | 13 | 8 | 62 | 72 | 74 | 183 | 109 | 92 | 0 | 21 | 23 |
| Sunny days | 28 | 25 | 29 | 17 | 17 | 19 | 12 | 18 | 16 | 28 | 24 | 24 |
| Rainy days | 2 | 3 | 2 | 13 | 14 | 11 | 19 | 13 | 14 | 3 | 6 | 4 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at