Average annual temperature is 15.3 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 106 days
Number of rainy days: 256 days
Number of snow days: 3 days
Look at detailed online map of Heku
* Weather data for Heku 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) | 18.3 | 14.4 | 21.2 | 26.3 | 29.6 | 29.2 | 31.4 | 31.0 | 30.5 | 24.3 | 23.3 | 20.6 |
| Average daytime temperature (°C) | 8.3 | 7.6 | 14.3 | 18.8 | 22.9 | 25.5 | 28.7 | 27.8 | 25.1 | 19.1 | 15.2 | 9.1 |
| Average temperature (°C) | 4.7 | 4.9 | 10.7 | 15.3 | 19.3 | 22.3 | 25.4 | 24.5 | 21.6 | 16.4 | 11.8 | 5.7 |
| Average night temperature (°C) | 1.0 | 2.3 | 7.2 | 12.1 | 16.2 | 19.6 | 22.8 | 21.8 | 18.8 | 13.9 | 8.6 | 2.5 |
| Absolute minimum temperature (°C) | -4.9 | -2.1 | 1.9 | 3.7 | 10.2 | 15.4 | 21.0 | 17.0 | 14.1 | 9.6 | 1.3 | -5.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 5.3 | 3.0 | 4.8 | 6.3 | 5.9 | 6.2 | 8.8 | 9.4 | 7.0 | 5.5 | 5.9 | 5.3 |
| Precipitation (mm) | 34 | 117 | 176 | 335 | 285 | 216 | 165 | 155 | 112 | 80 | 122 | 89 |
| Sunny days | 20 | 5 | 4 | 7 | 5 | 4 | 4 | 5 | 7 | 14 | 14 | 17 |
| Rainy days | 9 | 22 | 27 | 23 | 26 | 26 | 27 | 26 | 23 | 17 | 16 | 14 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heku during the most sunny months:
The largest precipitation sum in Heku is at