Average sea water temperature in August:
+86.3°F
| Minimum sea water temperature in August: | 88.7°F |
| Maximum sea water temperature in August: | 82.2°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.8°F. The highest and lowest sea temperatures during the month were 87.4°F and 83.7°F.
Monthly sea water temperature in Hainan, °F
Which China resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Suzhou | 87.3°F | 88.1°F |
| Beihai | 87.1°F | 87.5°F |
| Hainan | 85.8°F | 86.2°F |
| Zhuhai | 85.5°F | 84.9°F |
| Macau | 85.4°F | 84.7°F |
| Taichung | 85.3°F | 85.2°F |
| Shenzhen | 85.2°F | 84.3°F |
| Nantong | 85.1°F | 87.5°F |
| Guangzhou | 85.1°F | 84.0°F |
| Haikou | 85.0°F | 85.6°F |
| Xiamen | 84.8°F | 85.2°F |
| Shanghai | 84.5°F | 87.0°F |
| Taipei | 84.5°F | 84.3°F |
| Tainan | 84.4°F | 84.8°F |
| Hong Kong | 84.2°F | 83.8°F |
| Ningbo | 84.1°F | 85.5°F |
| Tianjin | 84.1°F | 84.6°F |
| Hangzhou | 83.5°F | 87.5°F |
| Sanya | 83.2°F | 83.8°F |
| Dadunhai | 83.2°F | 83.8°F |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 19:49
September 15, tuesday
2100
73°F
NW
2 mph
2 mph
September 16, wednesday
0000
73°F
NW
3 mph
3 mph
0300
73°F
N
2 mph
2 mph
0600
72°F
NE
2 mph
2 mph
0900
75°F
NW
1 mph
1 mph
1200
82°F
W
3 mph
3 mph
1500
79°F
SW
4 mph
4 mph
1800
75°F
SW
3 mph
3 mph
