World Resorts China Hainan Weather

Hainan sea water temperature

Current sea water temperature:
+84.4°F
Minimum sea water temperature in August: 88.7°F
Maximum sea water temperature in August: 82.2°F
Average sea water temperature in August: 86.3°F

Sea water temperature for the last 10 days:

August 24 84.4°F August 19 86.2°F
August 23 84.7°F August 18 86.5°F
August 22 85.1°F August 17 87.3°F
August 21 86.4°F August 16 87.4°F
August 20 85.8°F August 15 87.1°F

When is the warmest sea in Hainan?

Based on the data about daily sea water temperature for the last three years the warmest sea in Hainan was noticed in July, June and August.

Monthly Sea Temperatures in Hainan, °F

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 88.2°F and 85.5°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 87.8°F. The highest and lowest sea temperatures during the month were 89.8°F and 86.0°F.

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.4°F and 84.4°F.

Best time for vacation in Hainan

Sunniest months:
June 12 days
April 12 days
March 11 days
Warmest months:
June 90.0 °F
May 88.9 °F
July 88.7 °F
Warmest sea temp:
July 86.6 °F
June 86.4 °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:
April 4.5 mph
March 4.4 mph
October 4.3 mph

Hainan on a weather map

Hainan
+79°F
N 4 mph
Feels like: +82°F
Precip.: 20%
Places in China:
Name
°F
+75°F
+79°F
+81°F
+84°F
+81°F
+79°F
+82°F
+82°F
+81°F
+79°F
+81°F
+79°F
+82°F
+81°F
+77°F
24 Hours Forecast
Hainan
Local time: 00:07
August 25, tuesday
0300
77°F
NW
4 mph
0600
75°F
N
4 mph
0900
77°F
N
6 mph
1200
79°F
N
7 mph
1500
84°F
NE
6 mph
1800
79°F
N
5 mph
2100
77°F
N
6 mph
August 26, wednesday
0000
77°F
N
4 mph
Units of measurement: °C / °F