Average sea water temperature in April:
+75.6°F
| Minimum sea water temperature in April: | 82.8°F |
| Maximum sea water temperature in April: | 67.5°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 79.7°F. The highest and lowest sea temperatures during the month were 82.8°F and 77.7°F.
Monthly sea water temperature in Haikou, °F
Which China resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Hainan | 82.7°F | 77.3°F |
| Beihai | 81.0°F | 75.8°F |
| Sanya | 80.2°F | 78.4°F |
| Dadunhai | 80.2°F | 78.4°F |
| Yalong Bay | 80.0°F | 78.3°F |
| Haikou | 79.7°F | 75.2°F |
| Tainan | 79.5°F | 79.0°F |
| Taichung | 78.5°F | 76.9°F |
| Zhuhai | 77.4°F | 72.4°F |
| Shenzhen | 77.1°F | 73.0°F |
| Macau | 77.0°F | 72.4°F |
| Taipei | 76.6°F | 74.3°F |
| Guangzhou | 76.1°F | 72.1°F |
| Hong Kong | 75.7°F | 70.9°F |
| Xiamen | 72.2°F | 69.3°F |
| Suzhou | 65.8°F | 66.7°F |
| Hangzhou | 63.8°F | 64.1°F |
| Nantong | 62.1°F | 61.6°F |
| Shanghai | 61.8°F | 60.8°F |
| Ningbo | 59.6°F | 59.2°F |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 08:11
May 17, sunday
0900
79°F
NW
12 mph
12 mph
1200
81°F
NW
11 mph
11 mph
1500
81°F
W
10 mph
10 mph
1800
81°F
NW
11 mph
11 mph
2100
79°F
NW
12 mph
12 mph
May 18, monday
0000
77°F
NW
9 mph
9 mph
0300
77°F
NW
10 mph
10 mph
0600
77°F
NW
11 mph
11 mph
