Average annual temperature is 17.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 135 days
Number of rainy days: 229 days
Number of snow days: 1 day
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) | 21.7 | 21.9 | 24.1 | 27.4 | 31.4 | 33.7 | 36.5 | 33.9 | 34.1 | 28.1 | 28.1 | 24.3 |
| Average daytime temperature (°C) | 10.3 | 10.7 | 15.6 | 19.7 | 23.9 | 28.0 | 32.0 | 30.5 | 29.1 | 23.8 | 18.6 | 11.6 |
| Average temperature (°C) | 6.7 | 7.6 | 11.4 | 15.9 | 20.3 | 24.5 | 28.5 | 27.2 | 25.5 | 19.9 | 14.4 | 7.7 |
| Average night temperature (°C) | 3.3 | 5.0 | 8.5 | 12.8 | 17.5 | 21.9 | 26.2 | 24.7 | 22.8 | 16.8 | 11.0 | 4.1 |
| Absolute minimum temperature (°C) | -4.8 | -0.3 | 3.3 | 7.4 | 10.0 | 18.1 | 24.3 | 22.2 | 19.9 | 13.0 | 4.1 | -4.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.8 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| 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) | 6.4 | 5.0 | 6.1 | 7.8 | 7.4 | 6.6 | 8.3 | 10.1 | 9.0 | 7.5 | 7.3 | 6.7 |
| Precipitation (mm) | 56 | 74 | 71 | 149 | 121 | 317 | 265 | 130 | 101 | 50 | 46 | 35 |
| Sunny days | 18 | 11 | 15 | 10 | 11 | 6 | 2 | 3 | 4 | 13 | 19 | 23 |
| Rainy days | 13 | 17 | 16 | 20 | 20 | 24 | 29 | 28 | 26 | 18 | 11 | 7 |
| Snow days | 0 | 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