Average annual temperature is 10.5 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 241 days
Number of rainy days: 99 days
Number of snow days: 25 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 | 13.4 | 21.7 | 28.1 | 30.9 | 33.4 | 35.6 | 33.9 | 32.2 | 21.8 | 18.7 | 12.8 |
| Average daytime temperature (°C) | 1.2 | 5.7 | 14.8 | 17.3 | 23.1 | 28.5 | 29.9 | 29.4 | 24.7 | 16.4 | 8.9 | 3.1 |
| Average temperature (°C) | -5.5 | -0.9 | 7.5 | 10.6 | 16.7 | 21.7 | 23.3 | 23.1 | 18.6 | 10.6 | 2.3 | -3.2 |
| Average night temperature (°C) | -11.3 | -6.2 | 0.0 | 3.8 | 10.7 | 15.0 | 17.0 | 17.0 | 13.4 | 5.6 | -3.1 | -8.1 |
| Absolute minimum temperature (°C) | -19.9 | -12.0 | -5.5 | -3.9 | 5.3 | 10.9 | 10.4 | 11.3 | 9.3 | 0.8 | -7.4 | -15.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 7.0 | 9.1 | 8.2 | 7.8 | 9.3 | 10.5 | 10.5 | 9.2 | 7.8 | 8.1 | 8.0 |
| Precipitation (mm) | 0 | 17 | 1 | 14 | 27 | 20 | 48 | 23 | 54 | 65 | 2 | 0 |
| Sunny days | 27 | 16 | 26 | 18 | 16 | 19 | 18 | 21 | 10 | 17 | 26 | 27 |
| Rainy days | 1 | 2 | 3 | 10 | 15 | 11 | 13 | 10 | 20 | 14 | 0 | 0 |
| Snow days | 3 | 10 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 |
The largest precipitation sum in Hekou is at