Average annual temperature is 7.2 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -29.7 °C
Number of sunny days: 247 days
Number of rainy days: 95 days
Number of snow days: 23 days
Look at detailed online map of Heilaoyao
* Weather data for Heilaoyao 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) | 3.5 | 6.6 | 16.2 | 25.1 | 27.9 | 30.3 | 32.7 | 29.3 | 28.0 | 17.9 | 17.9 | 5.8 |
| Average daytime temperature (°C) | -5.9 | 0.5 | 8.1 | 11.5 | 20.1 | 26.0 | 26.3 | 25.2 | 20.8 | 14.2 | 1.2 | -5.7 |
| Average temperature (°C) | -10.2 | -3.9 | 2.8 | 6.1 | 14.4 | 20.5 | 21.6 | 20.9 | 16.2 | 9.6 | -2.9 | -9.2 |
| Average night temperature (°C) | -14.8 | -8.2 | -2.3 | 0.9 | 9.3 | 15.0 | 17.4 | 16.9 | 12.0 | 5.2 | -7.2 | -13.3 |
| Absolute minimum temperature (°C) | -29.7 | -15.4 | -11.6 | -6.2 | 3.4 | 7.4 | 11.2 | 11.0 | 5.6 | -2.4 | -16.3 | -26.7 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 7.6 | 7.9 | 10.0 | 8.0 | 9.3 | 11.7 | 10.1 | 10.4 | 9.4 | 8.8 | 7.5 | 6.9 |
| Precipitation (mm) | 6 | 14 | 21 | 89 | 33 | 26 | 90 | 82 | 87 | 16 | 5 | 12 |
| Sunny days | 27 | 21 | 26 | 16 | 16 | 24 | 15 | 14 | 15 | 25 | 26 | 22 |
| Rainy days | 1 | 1 | 2 | 11 | 15 | 6 | 16 | 17 | 15 | 6 | 2 | 3 |
| Snow days | 3 | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The best time to visit Heilaoyao during the most sunny months:
The largest precipitation sum in Heilaoyao is at