Average annual temperature is -1.8 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -44.9 °C
Number of sunny days: 222 days
Number of rainy days: 88 days
Number of snow days: 55 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) | -6.6 | 0.5 | 12.2 | 11.7 | 21.7 | 26.8 | 29.7 | 28.8 | 25.9 | 15.1 | 0.1 | -5.8 |
| Average daytime temperature (°C) | -21.2 | -11.3 | -1.7 | 3.7 | 13.8 | 20.1 | 24.8 | 21.8 | 14.3 | 7.6 | -8.2 | -18.7 |
| Average temperature (°C) | -26.9 | -18.0 | -7.4 | -1.7 | 7.9 | 14.6 | 19.5 | 16.2 | 8.5 | 1.4 | -12.3 | -24.0 |
| Average night temperature (°C) | -33.3 | -24.0 | -14.3 | -6.8 | 1.7 | 9.3 | 13.6 | 10.5 | 3.5 | -2.8 | -15.6 | -28.7 |
| Absolute minimum temperature (°C) | -44.9 | -32.1 | -25.3 | -14.6 | -3.6 | 3.2 | 10.2 | 5.2 | -1.7 | -8.9 | -23.6 | -35.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.4 | 10.0 | 11.9 | 13.9 | 15.6 | 16.6 | 16.1 | 14.6 | 12.7 | 10.7 | 8.9 | 7.9 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 6.3 | 7.9 | 9.0 | 8.9 | 10.3 | 9.5 | 12.0 | 10.9 | 7.7 | 8.6 | 5.8 | 5.2 |
| Precipitation (mm) | 2 | 5 | 28 | 48 | 35 | 102 | 54 | 64 | 60 | 8 | 4 | 11 |
| Sunny days | 24 | 23 | 22 | 14 | 17 | 6 | 16 | 19 | 15 | 24 | 21 | 21 |
| Rainy days | 0 | 0 | 0 | 5 | 12 | 24 | 15 | 12 | 15 | 5 | 0 | 0 |
| Snow days | 7 | 5 | 9 | 11 | 2 | 0 | 0 | 0 | 0 | 2 | 9 | 10 |
The best time to visit Hekou during the most sunny months:
Months with the longest average daylight duration in Hekou:
The largest precipitation sum in Hekou is at