Average sea water temperature in May:
+80.8°F
| Minimum sea water temperature in May: | 85.6°F |
| Maximum sea water temperature in May: | 75.7°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 82.6°F and 77.7°F.
Monthly sea water temperature in Haikou, °F
Which China resorts have warmest sea in May?
| Place name | May 2025 | May 2024 |
|---|---|---|
| Hainan | 84.3°F | 84.7°F |
| Yalong Bay | 84.0°F | 83.0°F |
| Sanya | 84.0°F | 83.2°F |
| Dadunhai | 84.0°F | 83.2°F |
| Beihai | 83.5°F | 83.6°F |
| Tainan | 83.0°F | 81.9°F |
| Taichung | 81.6°F | 80.1°F |
| Shenzhen | 81.0°F | 78.7°F |
| Zhuhai | 80.8°F | 78.4°F |
| Haikou | 80.6°F | 81.9°F |
| Macau | 80.6°F | 78.4°F |
| Taipei | 79.7°F | 78.8°F |
| Guangzhou | 79.7°F | 77.8°F |
| Hong Kong | 79.5°F | 78.2°F |
| Xiamen | 77.6°F | 75.4°F |
| Suzhou | 73.5°F | 72.0°F |
| Nantong | 71.5°F | 71.0°F |
| Hangzhou | 71.3°F | 67.0°F |
| Shanghai | 70.9°F | 70.2°F |
| Ningbo | 67.4°F | 66.6°F |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 21:37
December 25, thursday
0000
70°F
W
8 mph
8 mph
0300
72°F
W
8 mph
8 mph
0600
72°F
SW
10 mph
10 mph
0900
70°F
SW
10 mph
10 mph
1200
70°F
SW
16 mph
16 mph
1500
70°F
SW
17 mph
17 mph
1800
68°F
SW
18 mph
18 mph
2100
66°F
SW
19 mph
19 mph
