Average annual temperature is 7.0 °C
Absolute maximum temperature: 26.9 °C
Absolute minimum temperature: -21.4 °C
Number of sunny days: 154 days
Number of rainy days: 168 days
Number of snow days: 43 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) | 8.0 | 6.1 | 13.3 | 21.7 | 21.0 | 23.9 | 26.9 | 24.7 | 23.7 | 14.8 | 12.3 | 9.9 |
| Average daytime temperature (°C) | -1.3 | 1.0 | 7.9 | 11.0 | 14.6 | 19.6 | 22.5 | 21.6 | 17.3 | 11.4 | 5.9 | 1.8 |
| Average temperature (°C) | -5.7 | -2.8 | 3.2 | 6.2 | 10.6 | 15.6 | 18.3 | 17.3 | 13.5 | 7.6 | 1.7 | -2.4 |
| Average night temperature (°C) | -10.8 | -6.8 | -1.6 | 1.8 | 7.3 | 11.6 | 14.3 | 13.6 | 10.6 | 4.1 | -2.4 | -6.8 |
| Absolute minimum temperature (°C) | -21.4 | -15.4 | -7.8 | -8.3 | 0.3 | 6.3 | 9.7 | 6.9 | 5.7 | -1.4 | -7.0 | -15.7 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.5 | 5.1 | 7.8 | 8.0 | 6.4 | 8.9 | 9.6 | 9.6 | 7.1 | 6.9 | 7.1 | 7.0 |
| Precipitation (mm) | 9 | 29 | 30 | 84 | 73 | 65 | 173 | 79 | 108 | 69 | 7 | 8 |
| Sunny days | 19 | 11 | 13 | 17 | 8 | 11 | 8 | 8 | 2 | 14 | 20 | 23 |
| Rainy days | 0 | 2 | 12 | 8 | 22 | 19 | 23 | 23 | 28 | 17 | 7 | 7 |
| Snow days | 12 | 15 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 |
The best time to visit Heyu during the most sunny months:
The largest precipitation sum in Heyu is at