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 |
| more information | |
14 days
forecast
forecast
| Hainan |
monthly
weather
weather
| Hainan |
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 |
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:
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.
current
weather
weather
| Hainan |
weather in
August
August
| Hainan |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 00:07
August 25, tuesday
0300

77°F
NW
4 mph
4 mph
0600

75°F
N
4 mph
4 mph
0900

77°F
N
6 mph
6 mph
1200

79°F
N
7 mph
7 mph
1500

84°F
NE
6 mph
6 mph
1800

79°F
N
5 mph
5 mph
2100

77°F
N
6 mph
6 mph
August 26, wednesday
0000

77°F
N
4 mph
4 mph


























