Average sea water temperature in January:
+67.7°F
| Minimum sea water temperature in January: | 72.3°F |
| Maximum sea water temperature in January: | 63.9°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 69.1°F. The highest and lowest sea temperatures during the month were 70.5°F and 67.1°F.
Monthly sea water temperature in Haikou, °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 Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 06:28
February 04, wednesday
0900
70°F
W
4 mph
4 mph
1200
73°F
SW
8 mph
8 mph
1500
72°F
SW
13 mph
13 mph
1800
70°F
SW
14 mph
14 mph
2100
70°F
W
11 mph
11 mph
February 05, thursday
0000
68°F
NW
9 mph
9 mph
0300
66°F
NW
7 mph
7 mph
0600
66°F
NW
7 mph
7 mph
