World Resorts China Hainan Weather

Hainan Sea Temperature in July

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:
2025
2024
2023

The average sea water temperature in July of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.1°F.

Monthly sea water temperature in Hainan, °F

Which China resorts have warmest sea in July?

Place name July 2025 July 2024
Beihai 87.3°F 87.8°F
Suzhou 86.7°F 87.8°F
Hainan 86.1°F 87.1°F
Hangzhou 85.7°F 85.4°F
Taichung  85.3°F 87.5°F
Guangzhou 85.3°F 85.3°F
Tainan 85.2°F 87.4°F
Zhuhai 85.1°F 86.1°F
Xiamen 85.0°F 86.0°F
Shenzhen 85.0°F 86.2°F
Haikou 84.9°F 85.9°F
Macau 84.8°F 85.7°F
Taipei 84.7°F 86.9°F
Shanghai 84.6°F 84.0°F
Tianjin 84.6°F 82.0°F
Hong Kong 84.6°F 86.2°F
Yalong Bay 84.5°F 85.5°F
Sanya 84.4°F 85.5°F
Dadunhai 84.4°F 85.5°F
Nantong 84.4°F 82.6°F

Best time for vacation in Hainan

Sunniest months:
June 12 days
May 11 days
April 11 days
Warmest months:
June 89.9 °F
May 89.0 °F
July 88.9 °F
Warmest sea temp:
July 86.6 °F
June 86.3 °F
August 86.3 °F
Coldest months:
December 69.3 °F
January 69.8 °F
February 74.3 °F
Rainiest months:
September 15 days
August 14 days
July 14 days
Windiest months:
March 4.4 mph
April 4.4 mph
October 4.3 mph

Hainan on a weather map

Hainan
+70°F
W 8 mph
Feels like: +70°F
Precip.: 100%
Places in China:
Name
°F
+39°F
+41°F
+68°F
+72°F
+79°F
+43°F
+70°F
+37°F
+79°F
+72°F
+70°F
+41°F
+55°F
+72°F
+79°F
24 Hours Forecast
Hainan
Local time: 11:43
December 05, friday
1200
70°F
W
8 mph
1500
70°F
W
8 mph
1800
66°F
W
6 mph
2100
64°F
W
5 mph
December 06, saturday
0000
64°F
W
4 mph
0300
64°F
W
4 mph
0600
63°F
W
4 mph
0900
66°F
W
6 mph
Units of measurement: °C / °F