Average annual temperature is 14.3 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 255 days
Number of rainy days: 108 days
Number of snow days: 2 days
Look at detailed online map of Heyu
* Weather data for Heyu 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) | 12.6 | 13.2 | 26.7 | 28.7 | 33.7 | 37.8 | 34.4 | 33.9 | 31.1 | 25.4 | 26.8 | 18.9 |
| Average daytime temperature (°C) | 5.3 | 7.6 | 17.3 | 19.7 | 25.8 | 30.2 | 31.0 | 30.3 | 26.8 | 22.4 | 12.5 | 4.9 |
| Average temperature (°C) | 0.3 | 2.3 | 10.7 | 13.9 | 20.0 | 24.3 | 26.6 | 25.7 | 22.0 | 17.0 | 7.6 | 0.4 |
| Average night temperature (°C) | -3.9 | -1.9 | 4.9 | 9.2 | 15.4 | 19.2 | 23.3 | 21.7 | 18.1 | 12.4 | 3.1 | -3.2 |
| Absolute minimum temperature (°C) | -11.6 | -4.9 | -2.9 | 2.4 | 9.6 | 13.3 | 20.4 | 16.5 | 11.9 | 4.9 | -5.0 | -12.4 |
| 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) | 7.5 | 7.7 | 9.1 | 7.9 | 8.1 | 9.0 | 8.7 | 10.3 | 8.1 | 8.6 | 7.2 | 6.2 |
| Precipitation (mm) | 8 | 15 | 12 | 56 | 50 | 48 | 223 | 120 | 72 | 3 | 28 | 24 |
| Sunny days | 28 | 26 | 27 | 21 | 21 | 16 | 9 | 16 | 17 | 28 | 22 | 24 |
| Rainy days | 2 | 2 | 4 | 9 | 10 | 14 | 22 | 15 | 13 | 3 | 8 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Heyu during the most sunny months:
The largest precipitation sum in Heyu is at