Average annual temperature is 19.1 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Heihu
* Weather data for Heihu 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) | 23.6 | 21.1 | 26.1 | 29.7 | 35.0 | 33.7 | 37.4 | 36.3 | 33.0 | 29.2 | 29.8 | 25.4 |
| Average daytime temperature (°C) | 12.2 | 12.9 | 19.0 | 23.2 | 27.1 | 30.1 | 33.8 | 32.2 | 30.0 | 24.6 | 19.9 | 13.2 |
| Average temperature (°C) | 7.8 | 9.1 | 14.5 | 19.1 | 23.4 | 26.4 | 29.8 | 28.0 | 26.1 | 20.4 | 15.0 | 8.5 |
| Average night temperature (°C) | 3.1 | 5.7 | 10.5 | 15.5 | 20.0 | 23.5 | 26.5 | 24.7 | 22.9 | 16.8 | 10.8 | 4.6 |
| Absolute minimum temperature (°C) | -4.0 | 1.3 | 5.3 | 9.4 | 14.5 | 19.8 | 24.2 | 20.7 | 19.3 | 11.0 | 5.1 | -4.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| 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) | 6.8 | 4.3 | 5.8 | 6.4 | 7.9 | 7.0 | 10.4 | 9.8 | 8.0 | 6.5 | 7.9 | 6.2 |
| Precipitation (mm) | 51 | 113 | 199 | 182 | 269 | 333 | 143 | 166 | 85 | 58 | 86 | 28 |
| Sunny days | 22 | 12 | 8 | 8 | 11 | 7 | 7 | 4 | 7 | 17 | 21 | 21 |
| Rainy days | 9 | 16 | 23 | 22 | 20 | 23 | 24 | 27 | 23 | 14 | 9 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heihu during the most sunny months:
The largest precipitation sum in Heihu is at