The China resorts with the warmest sea water temperature in October are Tainan, Shenzhen and Dadunhai.
Below you can see a list of all popular China resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Tainan | 87.9°F | 86.4°F | 86.6°F |
| Shenzhen | 87.4°F | 86.4°F | 85.3°F |
| Dadunhai | 87.3°F | 87.2°F | 88.0°F |
| Sanya | 87.3°F | 87.2°F | 88.0°F |
| Zhuhai | 87.3°F | 85.9°F | 85.0°F |
| Xiamen | 87.1°F | 83.6°F | 82.0°F |
| Yalong Bay | 87.1°F | 86.8°F | 87.6°F |
| Taichung | 87.0°F | 84.2°F | 83.7°F |
| Macau | 87.0°F | 85.8°F | 85.1°F |
| Hong Kong | 86.7°F | 86.0°F | 84.6°F |
| Taipei | 86.5°F | 83.1°F | 82.4°F |
| Beihai | 86.3°F | 84.7°F | 86.3°F |
| Guangzhou | 86.3°F | 84.9°F | 85.2°F |
| Hainan | 86.2°F | 86.1°F | 86.8°F |
| Haikou | 86.2°F | 86.0°F | 86.3°F |
| Hangzhou | 82.5°F | 75.6°F | 74.9°F |
| Ningbo | 82.1°F | 77.5°F | 77.1°F |
| Suzhou | 79.8°F | 75.1°F | 73.8°F |
| Shanghai | 79.2°F | 76.7°F | 76.3°F |
| Nantong | 77.4°F | 77.7°F | 76.0°F |
| Quingdao | 72.9°F | 72.5°F | 73.8°F |
| Weihai | 71.4°F | 71.5°F | 72.5°F |
| Yantai | 70.1°F | 69.0°F | 70.9°F |
| Dalian | 68.4°F | 67.5°F | 68.9°F |
| Qinhuangdao | 65.9°F | 65.6°F | 68.6°F |
| Beidaihe | 65.2°F | 64.7°F | 67.6°F |
| Tianjin | 64.5°F | 65.4°F | 64.2°F |
Please see following sea water temperature averages charts for the warmest China resorts in October.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
