Average annual temperature is 8.0 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -23.9 °C
Number of sunny days: 245 days
Number of rainy days: 98 days
Number of snow days: 22 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) | 4.9 | 9.3 | 20.8 | 23.7 | 31.6 | 35.2 | 35.3 | 31.9 | 30.9 | 21.4 | 19.9 | 10.5 |
| Average daytime temperature (°C) | -2.3 | 2.6 | 11.7 | 14.5 | 22.4 | 28.5 | 28.1 | 26.9 | 22.8 | 17.0 | 3.9 | -2.4 |
| Average temperature (°C) | -8.5 | -4.4 | 3.7 | 7.8 | 15.5 | 21.4 | 22.6 | 21.0 | 16.5 | 9.5 | -1.9 | -8.0 |
| Average night temperature (°C) | -14.0 | -10.0 | -2.5 | 1.5 | 8.4 | 13.5 | 17.4 | 15.8 | 11.3 | 3.4 | -6.2 | -12.1 |
| Absolute minimum temperature (°C) | -23.9 | -15.1 | -7.4 | -4.8 | 2.9 | 8.4 | 14.2 | 9.9 | 2.5 | -0.8 | -14.2 | -22.6 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 8.0 | 10.1 | 9.2 | 9.3 | 11.6 | 8.8 | 9.7 | 9.3 | 9.5 | 7.5 | 6.8 |
| Precipitation (mm) | 1 | 10 | 4 | 24 | 43 | 15 | 172 | 67 | 59 | 10 | 4 | 13 |
| Sunny days | 27 | 23 | 23 | 17 | 13 | 22 | 13 | 11 | 19 | 27 | 25 | 25 |
| Rainy days | 0 | 0 | 3 | 11 | 18 | 8 | 18 | 20 | 11 | 4 | 2 | 3 |
| Snow days | 4 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at