Average annual temperature is 19.5 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -1.8 °C
Number of sunny days: 132 days
Number of rainy days: 232 days
Number of snow days: 1 day
Look at detailed online map of Heishuiwan
* Weather data for Heishuiwan 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) | 16.8 | 21.0 | 24.9 | 33.7 | 35.8 | 38.7 | 37.2 | 35.3 | 34.4 | 27.1 | 25.6 | 19.1 |
| Average daytime temperature (°C) | 12.1 | 15.7 | 19.9 | 25.3 | 28.3 | 29.9 | 32.9 | 31.8 | 29.6 | 23.1 | 19.8 | 14.2 |
| Average temperature (°C) | 8.1 | 12.3 | 15.8 | 20.7 | 23.8 | 25.5 | 28.0 | 27.5 | 25.4 | 19.8 | 16.4 | 10.6 |
| Average night temperature (°C) | 4.2 | 9.2 | 11.9 | 16.1 | 19.8 | 21.8 | 24.0 | 23.9 | 21.9 | 17.0 | 13.3 | 6.8 |
| Absolute minimum temperature (°C) | -1.8 | 7.1 | 4.9 | 10.5 | 15.9 | 18.2 | 19.5 | 21.0 | 19.4 | 12.3 | 9.5 | 0.8 |
| 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 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 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) | 5.4 | 4.3 | 5.5 | 7.9 | 7.5 | 6.8 | 8.7 | 8.4 | 7.2 | 5.1 | 5.0 | 4.4 |
| Precipitation (mm) | 6 | 20 | 74 | 68 | 168 | 61 | 225 | 225 | 146 | 96 | 48 | 6 |
| Sunny days | 20 | 8 | 7 | 10 | 8 | 8 | 10 | 7 | 11 | 6 | 13 | 24 |
| Rainy days | 10 | 20 | 24 | 20 | 23 | 22 | 21 | 24 | 19 | 25 | 17 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heishuiwan during the most sunny months:
The largest precipitation sum in Heishuiwan is at