Current sea water temperature:
+89.2°F
| Minimum sea water temperature in June: | 90.5°F |
| Maximum sea water temperature in June: | 81.5°F |
| Average sea water temperature in June: | 86.4°F |
| more information | |
14 days
forecast
forecast
| Hainan |
monthly
weather
weather
| Hainan |
Sea water temperature for the last 10 days:
| June 4 | 89.2°F | May 29 | 89.1°F |
| June 3 | 89.1°F | May 28 | 89.1°F |
| June 1 | 89.8°F | May 27 | 88.5°F |
| May 31 | 88.7°F | May 26 | 87.6°F |
| May 30 | 88.9°F | May 25 | 86.4°F |
Monthly sea water temperature, °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:
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.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.5°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.4°F.
current
weather
weather
| Hainan |
weather in
June
June
| Hainan |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 06:44
June 05, friday
0900

86°F
N
4 mph
4 mph
1200

97°F
NE
4 mph
4 mph
1500

97°F
E
5 mph
5 mph
1800

88°F
N
2 mph
2 mph
2100

79°F
NW
3 mph
3 mph
June 06, saturday
0000

77°F
NE
5 mph
5 mph
0300

77°F
N
4 mph
4 mph
0600

75°F
N
4 mph
4 mph



























