Average annual temperature is 11.5 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -21.8 °C
Number of sunny days: 245 days
Number of rainy days: 106 days
Number of snow days: 14 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) | 12.3 | 13.9 | 23.0 | 28.9 | 31.4 | 32.2 | 35.4 | 31.8 | 27.9 | 24.4 | 24.7 | 20.1 |
| Average daytime temperature (°C) | 4.5 | 7.0 | 15.6 | 17.0 | 22.8 | 27.6 | 30.5 | 27.5 | 23.5 | 19.2 | 10.8 | 2.4 |
| Average temperature (°C) | -1.6 | 0.9 | 8.3 | 11.2 | 17.0 | 21.7 | 24.8 | 22.5 | 18.4 | 13.2 | 4.5 | -3.6 |
| Average night temperature (°C) | -6.7 | -3.5 | 2.0 | 5.8 | 12.0 | 16.0 | 19.6 | 18.5 | 14.1 | 7.8 | -0.7 | -9.4 |
| Absolute minimum temperature (°C) | -14.5 | -6.7 | -3.6 | -1.5 | 6.1 | 10.6 | 15.5 | 12.1 | 9.0 | 2.6 | -5.9 | -21.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.8 | 7.2 | 9.4 | 7.9 | 7.8 | 10.4 | 10.4 | 9.6 | 7.9 | 7.8 | 7.7 | 7.5 |
| Precipitation (mm) | 3 | 12 | 14 | 80 | 71 | 40 | 89 | 117 | 84 | 11 | 17 | 28 |
| Sunny days | 28 | 20 | 23 | 18 | 17 | 15 | 17 | 14 | 16 | 26 | 27 | 24 |
| Rainy days | 1 | 2 | 6 | 11 | 14 | 15 | 14 | 17 | 14 | 5 | 2 | 5 |
| Snow days | 2 | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Heyu is at