Average annual temperature is 15.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 272 days
Number of rainy days: 88 days
Number of snow days: 5 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) | 12.4 | 15.2 | 29.2 | 28.2 | 34.7 | 39.4 | 39.9 | 35.1 | 32.2 | 27.2 | 28.1 | 19.8 |
| Average daytime temperature (°C) | 5.9 | 9.8 | 19.4 | 20.6 | 26.5 | 33.3 | 34.6 | 30.9 | 27.8 | 23.6 | 12.8 | 3.7 |
| Average temperature (°C) | 0.0 | 4.2 | 12.7 | 15.2 | 21.3 | 27.3 | 29.6 | 26.7 | 23.1 | 17.7 | 7.4 | -1.0 |
| Average night temperature (°C) | -4.7 | -1.1 | 6.3 | 10.4 | 17.0 | 21.5 | 25.1 | 22.9 | 18.9 | 12.6 | 2.6 | -5.3 |
| Absolute minimum temperature (°C) | -10.3 | -4.3 | 0.8 | 4.3 | 11.3 | 15.6 | 22.6 | 17.4 | 12.2 | 6.6 | -5.9 | -14.6 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 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) | 7.6 | 7.7 | 9.6 | 7.8 | 7.4 | 10.0 | 9.6 | 9.9 | 7.8 | 8.1 | 7.2 | 6.4 |
| Precipitation (mm) | 4 | 11 | 2 | 56 | 30 | 61 | 259 | 131 | 67 | 0 | 25 | 22 |
| Sunny days | 27 | 21 | 30 | 18 | 18 | 24 | 16 | 16 | 20 | 30 | 27 | 25 |
| Rainy days | 2 | 7 | 1 | 12 | 13 | 6 | 15 | 15 | 10 | 1 | 2 | 4 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Hekou is at