Average sea water temperature in January:
+69.6°F
| Minimum sea water temperature in January: | 75.0°F |
| Maximum sea water temperature in January: | 65.1°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 69.7°F. The highest and lowest sea temperatures during the month were 71.2°F and 68.0°F.
Monthly sea water temperature in Hainan, °F
Which China resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Sanya | 74.7°F | 73.6°F |
| Dadunhai | 74.7°F | 73.6°F |
| Yalong Bay | 74.5°F | 72.9°F |
| Tainan | 74.2°F | 72.1°F |
| Hainan | 69.7°F | 67.8°F |
| Haikou | 69.1°F | 66.5°F |
| Taichung | 66.3°F | 63.4°F |
| Shenzhen | 65.5°F | 64.2°F |
| Beihai | 65.2°F | 62.0°F |
| Taipei | 65.2°F | 63.6°F |
| Hong Kong | 64.8°F | 63.9°F |
| Guangzhou | 64.3°F | 63.5°F |
| Macau | 64.0°F | 62.7°F |
| Zhuhai | 63.9°F | 62.7°F |
| Xiamen | 60.0°F | 58.8°F |
| Ningbo | 50.6°F | 48.8°F |
| Nantong | 50.5°F | 49.7°F |
| Shanghai | 48.8°F | 48.2°F |
| Hangzhou | 48.3°F | 48.4°F |
| Suzhou | 44.4°F | 44.0°F |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 13:45
February 25, wednesday
1500
90°F
SW
7 mph
7 mph
1800
81°F
SW
5 mph
5 mph
2100
70°F
SE
1 mph
1 mph
February 26, thursday
0000
66°F
N
1 mph
1 mph
0300
64°F
N
1 mph
1 mph
0600
63°F
N
3 mph
3 mph
0900
73°F
NW
2 mph
2 mph
1200
88°F
SW
2 mph
2 mph
