Average annual temperature is 10.1 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 242 days
Number of rainy days: 111 days
Number of snow days: 12 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) | 11.2 | 10.6 | 20.9 | 28.9 | 30.5 | 32.0 | 32.7 | 31.4 | 27.1 | 21.8 | 21.5 | 15.8 |
| Average daytime temperature (°C) | 2.3 | 5.9 | 14.0 | 15.9 | 21.9 | 27.8 | 29.4 | 26.7 | 22.5 | 17.7 | 8.5 | 1.9 |
| Average temperature (°C) | -3.8 | -0.3 | 6.4 | 9.4 | 15.8 | 21.2 | 23.7 | 21.6 | 17.1 | 11.3 | 2.4 | -4.3 |
| Average night temperature (°C) | -9.4 | -5.2 | -0.4 | 3.5 | 10.1 | 14.5 | 17.9 | 16.7 | 12.4 | 5.3 | -2.8 | -9.0 |
| Absolute minimum temperature (°C) | -20.5 | -8.6 | -5.3 | -4.3 | 3.4 | 9.4 | 13.7 | 11.2 | 4.9 | 0.2 | -7.6 | -18.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.2 | 8.0 | 9.4 | 7.8 | 7.3 | 11.4 | 10.5 | 9.7 | 8.3 | 8.6 | 7.8 | 7.5 |
| Precipitation (mm) | 5 | 15 | 11 | 75 | 78 | 20 | 97 | 93 | 59 | 11 | 12 | 18 |
| Sunny days | 28 | 19 | 24 | 17 | 14 | 20 | 18 | 12 | 14 | 25 | 25 | 26 |
| Rainy days | 2 | 2 | 6 | 13 | 17 | 10 | 13 | 19 | 16 | 6 | 4 | 3 |
| Snow days | 1 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Heyu during the most sunny months:
The largest precipitation sum in Heyu is at