Average annual temperature is 15.5 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 110 days
Number of rainy days: 251 days
Number of snow days: 4 days
Look at detailed online map of Heiyanwan
* Weather data for Heiyanwan 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) | 17.1 | 14.7 | 23.9 | 26.6 | 28.6 | 30.9 | 32.4 | 31.5 | 31.2 | 25.1 | 23.9 | 17.9 |
| Average daytime temperature (°C) | 8.7 | 8.2 | 15.3 | 19.2 | 22.9 | 26.1 | 28.9 | 28.3 | 25.4 | 19.8 | 15.6 | 8.5 |
| Average temperature (°C) | 4.8 | 5.2 | 11.3 | 15.5 | 19.3 | 22.7 | 25.5 | 25.1 | 22.1 | 16.8 | 11.8 | 5.0 |
| Average night temperature (°C) | 0.2 | 2.2 | 7.6 | 12.0 | 16.2 | 19.6 | 22.6 | 22.2 | 19.1 | 13.8 | 8.1 | 1.6 |
| Absolute minimum temperature (°C) | -5.8 | -1.9 | 2.7 | 4.4 | 10.7 | 15.8 | 20.0 | 17.0 | 14.9 | 9.5 | 0.9 | -5.0 |
| 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 | 14.0 | 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) | 5.5 | 2.7 | 5.0 | 6.1 | 5.5 | 6.2 | 8.4 | 9.6 | 7.2 | 5.8 | 5.6 | 4.8 |
| Precipitation (mm) | 20 | 75 | 110 | 418 | 302 | 351 | 271 | 181 | 111 | 113 | 83 | 83 |
| Sunny days | 20 | 5 | 5 | 7 | 4 | 8 | 3 | 7 | 9 | 10 | 15 | 17 |
| Rainy days | 9 | 22 | 26 | 23 | 27 | 22 | 28 | 24 | 21 | 21 | 15 | 13 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Heiyanwan during the most sunny months:
The largest precipitation sum in Heiyanwan is at