Average sea water temperature in July:
+84.7°F
| Minimum sea water temperature in July: | 87.3°F |
| Maximum sea water temperature in July: | 80.6°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.4°F. The highest and lowest sea temperatures during the month were 87.3°F and 82.2°F.
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Monthly sea water temperature in Dadunhai, °F
Which China resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Hainan | 86.5°F | 86.1°F |
| Beihai | 86.1°F | 87.3°F |
| Haikou | 85.7°F | 84.9°F |
| Tainan | 85.4°F | 85.2°F |
| Taichung | 85.4°F | 85.3°F |
| Xiamen | 85.4°F | 85.0°F |
| Shenzhen | 84.5°F | 85.0°F |
| Sanya | 84.4°F | 84.4°F |
| Dadunhai | 84.4°F | 84.4°F |
| Taipei | 84.3°F | 84.7°F |
| Zhuhai | 84.3°F | 85.1°F |
| Hong Kong | 84.2°F | 84.6°F |
| Yalong Bay | 84.2°F | 84.5°F |
| Macau | 84.1°F | 84.8°F |
| Guangzhou | 83.6°F | 85.3°F |
| Tianjin | 83.0°F | 84.6°F |
| Suzhou | 82.8°F | 86.7°F |
| Hangzhou | 82.0°F | 85.7°F |
| Shanghai | 81.0°F | 84.6°F |
| Ningbo | 81.0°F | 83.0°F |
Best time for vacation in Dadunhai
Dadunhai on a weather map
Places in China:
Name
°F
24 Hours Forecast
Dadunhai
Local time: 20:19
July 15, wednesday
2100

81°F
E
5 mph
5 mph
July 16, thursday
0000

81°F
E
10 mph
10 mph
0300

81°F
E
14 mph
14 mph
0600

79°F
E
14 mph
14 mph
0900

82°F
E
13 mph
13 mph
1200

84°F
E
16 mph
16 mph
1500

86°F
E
15 mph
15 mph
1800

84°F
E
8 mph
8 mph



























