Average sea water temperature in July:
+86.6°F
| Minimum sea water temperature in July: | 89.8°F |
| Maximum sea water temperature in July: | 82.2°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.5°F. The highest and lowest sea temperatures during the month were 88.2°F and 85.5°F.
Monthly sea water temperature in Hainan, °F
Which China resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Hainan | 86.5°F | 86.1°F |
| Beihai | 86.0°F | 87.3°F |
| Haikou | 85.7°F | 84.9°F |
| Taichung | 85.4°F | 85.3°F |
| Xiamen | 85.4°F | 85.0°F |
| Tainan | 85.4°F | 85.2°F |
| Shenzhen | 84.4°F | 85.0°F |
| Taipei | 84.3°F | 84.7°F |
| Sanya | 84.3°F | 84.4°F |
| Dadunhai | 84.3°F | 84.4°F |
| Zhuhai | 84.2°F | 85.1°F |
| Hong Kong | 84.2°F | 84.6°F |
| Macau | 84.1°F | 84.8°F |
| Yalong Bay | 84.1°F | 84.5°F |
| Guangzhou | 83.5°F | 85.3°F |
| Tianjin | 83.3°F | 84.6°F |
| Suzhou | 83.1°F | 86.7°F |
| Hangzhou | 82.3°F | 85.7°F |
| Ningbo | 81.3°F | 83.0°F |
| Shanghai | 81.2°F | 84.6°F |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 16:18
July 16, thursday
1800
79°F
N
5 mph
5 mph
2100
77°F
N
5 mph
5 mph
July 17, friday
0000
75°F
N
5 mph
5 mph
0300
73°F
N
4 mph
4 mph
0600
73°F
N
4 mph
4 mph
0900
82°F
N
4 mph
4 mph
1200
90°F
NE
3 mph
3 mph
1500
88°F
NE
2 mph
2 mph
