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
March 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 69.5 °F
January 70.0 °F
February 74.7 °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
+75°F
N 7 mph
Feels like: +79°F
Precip.: 0%
Places in China:
Name
°F
+43°F
+43°F
+75°F
+82°F
+77°F
+45°F
+75°F
+46°F
+77°F
+79°F
+75°F
+48°F
+54°F
+75°F
+77°F
24 Hours Forecast
Hainan
Local time: 00:09
April 07, tuesday
0300
73°F
N
7 mph
0600
73°F
N
7 mph
0900
90°F
N
6 mph
1200
104°F
NE
9 mph
1500
102°F
NE
8 mph
1800
88°F
S
3 mph
2100
82°F
NW
4 mph
April 08, wednesday
0000
77°F
NW
6 mph
Units of measurement: °C / °F