Average annual temperature is 8.5 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -18.7 °C
Number of sunny days: 194 days
Number of rainy days: 141 days
Number of snow days: 30 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) | 10.5 | 11.9 | 16.9 | 26.4 | 26.4 | 28.3 | 30.6 | 29.7 | 29.0 | 19.2 | 17.9 | 11.8 |
| Average daytime temperature (°C) | 2.5 | 6.0 | 11.8 | 15.8 | 19.2 | 23.2 | 25.6 | 25.5 | 22.3 | 14.9 | 9.5 | 5.0 |
| Average temperature (°C) | -4.9 | -0.6 | 4.8 | 8.5 | 13.0 | 17.1 | 19.3 | 19.3 | 16.2 | 8.9 | 2.0 | -2.4 |
| Average night temperature (°C) | -11.1 | -5.8 | -1.8 | 1.5 | 7.1 | 11.0 | 13.3 | 13.6 | 11.3 | 3.5 | -4.1 | -7.9 |
| Absolute minimum temperature (°C) | -18.7 | -12.4 | -5.7 | -7.1 | 2.3 | 7.7 | 8.2 | 8.6 | 5.8 | -2.5 | -6.9 | -14.3 |
| 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) | 7.8 | 7.1 | 8.1 | 7.8 | 7.1 | 9.5 | 9.7 | 10.1 | 8.0 | 6.8 | 7.7 | 8.0 |
| Precipitation (mm) | 5 | 20 | 23 | 39 | 98 | 68 | 90 | 75 | 93 | 87 | 11 | 5 |
| Sunny days | 25 | 16 | 15 | 12 | 8 | 15 | 14 | 15 | 11 | 13 | 23 | 27 |
| Rainy days | 0 | 1 | 12 | 15 | 23 | 15 | 17 | 16 | 19 | 18 | 4 | 1 |
| Snow days | 6 | 11 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The largest precipitation sum in Hekou is at