Average annual temperature is 18.7 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Heihulao
* Weather data for Heihulao 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) | 22.6 | 16.7 | 25.2 | 30.5 | 33.2 | 34.1 | 35.9 | 36.4 | 35.3 | 29.5 | 27.6 | 22.0 |
| Average daytime temperature (°C) | 11.9 | 11.1 | 18.4 | 22.8 | 26.5 | 29.9 | 33.1 | 32.7 | 29.3 | 24.4 | 18.6 | 11.5 |
| Average temperature (°C) | 7.1 | 7.8 | 14.1 | 18.6 | 22.9 | 26.4 | 29.8 | 29.1 | 25.9 | 20.3 | 14.2 | 7.5 |
| Average night temperature (°C) | 2.2 | 4.6 | 9.9 | 14.6 | 19.6 | 23.2 | 27.2 | 25.9 | 23.1 | 16.9 | 10.3 | 3.9 |
| Absolute minimum temperature (°C) | -4.0 | -1.0 | 5.2 | 9.0 | 14.0 | 18.7 | 24.2 | 20.6 | 18.2 | 12.2 | 4.5 | -2.9 |
| 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) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 6.3 | 3.6 | 5.6 | 7.4 | 7.6 | 8.1 | 9.7 | 10.3 | 7.3 | 6.2 | 6.6 | 5.9 |
| Precipitation (mm) | 27 | 73 | 117 | 244 | 152 | 203 | 144 | 109 | 51 | 61 | 46 | 25 |
| Sunny days | 22 | 10 | 9 | 9 | 11 | 8 | 7 | 8 | 9 | 16 | 18 | 20 |
| Rainy days | 9 | 18 | 22 | 21 | 20 | 22 | 24 | 23 | 21 | 15 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heihulao during the most sunny months:
The largest precipitation sum in Heihulao is at