Average annual temperature is 17.2 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 143 days
Number of rainy days: 222 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) | 20.0 | 21.8 | 23.7 | 27.0 | 30.8 | 32.6 | 35.7 | 34.0 | 30.4 | 28.2 | 24.9 | 24.6 |
| Average daytime temperature (°C) | 12.1 | 13.7 | 18.1 | 21.3 | 24.8 | 28.8 | 31.1 | 29.8 | 28.9 | 23.1 | 18.9 | 14.1 |
| Average temperature (°C) | 7.1 | 8.5 | 12.3 | 16.3 | 20.1 | 24.3 | 26.6 | 25.5 | 24.7 | 18.8 | 13.6 | 8.4 |
| Average night temperature (°C) | 2.8 | 4.3 | 8.2 | 12.5 | 16.6 | 21.5 | 23.9 | 22.9 | 21.6 | 15.5 | 9.7 | 3.8 |
| Absolute minimum temperature (°C) | -6.5 | -2.0 | 0.9 | 4.9 | 8.3 | 18.8 | 21.9 | 20.1 | 18.9 | 10.9 | 3.9 | -5.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 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) | 6.0 | 6.6 | 6.5 | 7.6 | 7.5 | 6.6 | 8.6 | 9.5 | 9.6 | 6.4 | 7.8 | 7.1 |
| Precipitation (mm) | 48 | 69 | 110 | 163 | 80 | 262 | 359 | 263 | 104 | 46 | 73 | 41 |
| Sunny days | 19 | 16 | 13 | 12 | 13 | 3 | 3 | 1 | 5 | 17 | 20 | 21 |
| Rainy days | 12 | 12 | 18 | 18 | 18 | 27 | 28 | 30 | 25 | 14 | 10 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heyu during the most sunny months:
The largest precipitation sum in Heyu is at