World Resorts China Hainan Weather

Hainan Sea Temperature in January

Average sea water temperature in January:
+69.6°F
Minimum sea water temperature in January: 75.0°F
Maximum sea water temperature in January: 65.1°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 69.7°F. The highest and lowest sea temperatures during the month were 71.2°F and 68.0°F.

Monthly sea water temperature in Hainan, °F

Which China resorts have warmest sea in January?

Place name January 2026 January 2025
Sanya 74.7°F 73.6°F
Dadunhai 74.7°F 73.6°F
Yalong Bay 74.5°F 72.9°F
Tainan 74.2°F 72.1°F
Hainan 69.7°F 67.8°F
Haikou 69.1°F 66.5°F
Taichung  66.3°F 63.4°F
Shenzhen 65.5°F 64.2°F
Beihai 65.2°F 62.0°F
Taipei 65.2°F 63.6°F
Hong Kong 64.8°F 63.9°F
Guangzhou 64.3°F 63.5°F
Macau 64.0°F 62.7°F
Zhuhai 63.9°F 62.7°F
Xiamen 60.0°F 58.8°F
Ningbo 50.6°F 48.8°F
Nantong 50.5°F 49.7°F
Shanghai 48.8°F 48.2°F
Hangzhou 48.3°F 48.4°F
Suzhou 44.4°F 44.0°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 69.5 °F
January 70.0 °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
+68°F
NW 3 mph
Feels like: +68°F
Precip.: 0%
Places in China:
Name
°F
+28°F
+41°F
+66°F
+68°F
+72°F
+28°F
+66°F
+34°F
+72°F
+70°F
+68°F
+43°F
+54°F
+68°F
+72°F
24 Hours Forecast
Hainan
Local time: 08:27
February 05, thursday
0900
68°F
NW
3 mph
1200
82°F
W
2 mph
1500
86°F
SW
6 mph
1800
77°F
SW
3 mph
2100
66°F
NE
3 mph
February 06, friday
0000
64°F
NW
5 mph
0300
63°F
N
5 mph
0600
61°F
N
2 mph
Units of measurement: °C / °F