Average sea water temperature in December:
+72.9°F
| Minimum sea water temperature in December: | 80.6°F |
| Maximum sea water temperature in December: | 66.7°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 73.6°F and 71.4°F.
Monthly sea water temperature in Hainan, °F
Which China resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Sanya | 77.2°F | 77.0°F |
| Dadunhai | 77.2°F | 77.0°F |
| Yalong Bay | 77.1°F | 76.5°F |
| Tainan | 76.6°F | 74.9°F |
| Hainan | 72.7°F | 72.1°F |
| Haikou | 71.8°F | 71.3°F |
| Taichung | 69.9°F | 69.7°F |
| Taipei | 69.7°F | 69.4°F |
| Shenzhen | 69.6°F | 68.3°F |
| Hong Kong | 69.4°F | 68.9°F |
| Macau | 68.5°F | 66.7°F |
| Zhuhai | 68.4°F | 66.3°F |
| Guangzhou | 68.3°F | 67.8°F |
| Beihai | 68.3°F | 67.1°F |
| Xiamen | 65.5°F | 64.4°F |
| Ningbo | 57.0°F | 55.8°F |
| Nantong | 56.9°F | 56.2°F |
| Hangzhou | 56.4°F | 54.4°F |
| Shanghai | 55.7°F | 54.1°F |
| Suzhou | 49.7°F | 46.6°F |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 09:45
December 31, wednesday
1200
72°F
W
6 mph
6 mph
1500
75°F
W
6 mph
6 mph
1800
68°F
W
6 mph
6 mph
2100
63°F
NW
5 mph
5 mph
January 01, thursday
0000
61°F
NW
4 mph
4 mph
0300
59°F
NW
2 mph
2 mph
0600
59°F
NW
2 mph
2 mph
0900
63°F
W
3 mph
3 mph
