Average sea water temperature in July:
+85.5°F
| Minimum sea water temperature in July: | 89.2°F |
| Maximum sea water temperature in July: | 81.0°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 85.8°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.7°F.
Monthly sea water temperature in Haikou, °F
Which China resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Hainan | 86.6°F | 86.1°F |
| Suzhou | 86.5°F | 86.7°F |
| Haikou | 85.8°F | 84.9°F |
| Beihai | 85.8°F | 87.3°F |
| Hangzhou | 85.4°F | 85.7°F |
| Taichung | 85.3°F | 85.3°F |
| Tainan | 85.1°F | 85.2°F |
| Xiamen | 85.1°F | 85.0°F |
| Taipei | 84.7°F | 84.7°F |
| Shenzhen | 84.1°F | 85.0°F |
| Zhuhai | 84.1°F | 85.1°F |
| Macau | 83.9°F | 84.8°F |
| Sanya | 83.9°F | 84.4°F |
| Dadunhai | 83.9°F | 84.4°F |
| Hong Kong | 83.7°F | 84.6°F |
| Guangzhou | 83.7°F | 85.3°F |
| Yalong Bay | 83.6°F | 84.5°F |
| Shanghai | 83.5°F | 84.6°F |
| Tianjin | 83.4°F | 84.6°F |
| Ningbo | 83.3°F | 83.0°F |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 21:13
August 06, thursday
0000
79°F
E
6 mph
6 mph
0300
79°F
NE
4 mph
4 mph
0600
79°F
E
3 mph
3 mph
0900
82°F
NE
2 mph
2 mph
1200
86°F
W
2 mph
2 mph
1500
84°F
SW
5 mph
5 mph
1800
82°F
W
4 mph
4 mph
2100
81°F
N
4 mph
4 mph
