Average sea water temperature in April:
+75.3°F
| Minimum sea water temperature in April: | 81.5°F |
| Maximum sea water temperature in April: | 67.5°F |
Daily sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 75.2°F. The highest and lowest sea temperatures during the month were 79.7°F and 71.2°F.
Monthly sea water temperature in Haikou, °F
Which China resorts have warmest sea in April?
| Place name | April 2025 | April 2024 |
|---|---|---|
| Tainan | 79.0°F | 81.1°F |
| Sanya | 78.4°F | 81.5°F |
| Dadunhai | 78.4°F | 81.5°F |
| Yalong Bay | 78.3°F | 81.2°F |
| Hainan | 77.3°F | 82.5°F |
| Taichung | 76.9°F | 78.7°F |
| Beihai | 75.8°F | 79.7°F |
| Haikou | 75.2°F | 78.3°F |
| Taipei | 74.3°F | 75.6°F |
| Shenzhen | 73.0°F | 76.8°F |
| Zhuhai | 72.4°F | 76.9°F |
| Macau | 72.4°F | 76.7°F |
| Guangzhou | 72.1°F | 75.4°F |
| Hong Kong | 70.9°F | 75.7°F |
| Xiamen | 69.3°F | 71.3°F |
| Suzhou | 66.7°F | 63.7°F |
| Hangzhou | 64.1°F | 58.2°F |
| Nantong | 61.6°F | 62.8°F |
| Shanghai | 60.8°F | 61.1°F |
| Ningbo | 59.2°F | 57.4°F |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 18:19
December 24, wednesday
2100
70°F
W
9 mph
9 mph
December 25, thursday
0000
70°F
W
7 mph
7 mph
0300
70°F
SW
7 mph
7 mph
0600
70°F
SW
9 mph
9 mph
0900
70°F
S
12 mph
12 mph
1200
70°F
SW
12 mph
12 mph
1500
68°F
SW
17 mph
17 mph
1800
66°F
SW
15 mph
15 mph
