Average annual temperature is 21.6 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 7.0 °C
Number of sunny days: 163 days
Number of rainy days: 202 days
Look at detailed online map of Haishan
* Weather data for Haishan 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) | 19.1 | 20.4 | 22.1 | 25.2 | 31.6 | 28.5 | 32.6 | 30.9 | 30.7 | 31.7 | 29.0 | 23.5 |
| Average daytime temperature (°C) | 15.7 | 15.6 | 18.1 | 21.6 | 24.8 | 27.4 | 28.7 | 28.9 | 28.3 | 26.4 | 23.4 | 19.0 |
| Average temperature (°C) | 14.1 | 14.2 | 16.5 | 20.3 | 23.8 | 26.5 | 27.6 | 27.5 | 27.0 | 24.3 | 20.8 | 16.4 |
| Average night temperature (°C) | 12.0 | 12.5 | 15.1 | 18.9 | 22.7 | 25.3 | 26.3 | 26.2 | 25.5 | 22.6 | 18.0 | 13.6 |
| Absolute minimum temperature (°C) | 7.0 | 9.0 | 12.1 | 15.5 | 19.7 | 23.3 | 25.1 | 24.6 | 24.2 | 19.8 | 13.3 | 7.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.7 | 8.1 | 9.4 | 8.8 | 9.3 | 9.0 | 10.2 | 9.6 | 8.5 | 7.4 | 9.3 | 7.7 |
| Precipitation (mm) | 21 | 70 | 45 | 70 | 162 | 300 | 195 | 158 | 393 | 121 | 5 | 13 |
| Sunny days | 17 | 17 | 21 | 8 | 9 | 0 | 10 | 7 | 5 | 17 | 28 | 24 |
| Rainy days | 14 | 11 | 10 | 22 | 22 | 30 | 21 | 24 | 25 | 14 | 2 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Haishan is at