Average sea water temperature in March:
+70.8°F
| Minimum sea water temperature in March: | 80.1°F |
| Maximum sea water temperature in March: | 64.2°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 74.3°F. The highest and lowest sea temperatures during the month were 80.1°F and 69.8°F.
Monthly sea water temperature in Haikou, °F
Which China resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Hainan | 76.8°F | 73.5°F |
| Sanya | 76.8°F | 74.4°F |
| Dadunhai | 76.8°F | 74.4°F |
| Yalong Bay | 76.6°F | 74.3°F |
| Tainan | 76.4°F | 76.0°F |
| Haikou | 74.3°F | 69.9°F |
| Beihai | 73.6°F | 70.5°F |
| Taichung | 72.1°F | 68.7°F |
| Shenzhen | 71.6°F | 67.8°F |
| Zhuhai | 71.2°F | 67.1°F |
| Macau | 71.0°F | 67.1°F |
| Guangzhou | 70.4°F | 69.0°F |
| Hong Kong | 69.8°F | 65.5°F |
| Taipei | 69.2°F | 65.3°F |
| Xiamen | 63.9°F | 62.6°F |
| Suzhou | 54.2°F | 53.6°F |
| Hangzhou | 53.9°F | 55.8°F |
| Nantong | 53.2°F | 52.8°F |
| Shanghai | 52.4°F | 51.9°F |
| Ningbo | 51.4°F | 50.4°F |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 15:45
June 26, friday
1800
88°F
S
2 mph
2 mph
2100
82°F
N
6 mph
6 mph
June 27, saturday
0000
82°F
NE
5 mph
5 mph
0300
81°F
N
6 mph
6 mph
0600
81°F
E
4 mph
4 mph
0900
88°F
E
4 mph
4 mph
1200
91°F
SE
7 mph
7 mph
1500
88°F
E
10 mph
10 mph
