Current sea water temperature:
+86.4°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 4 | 86.4°F | July 30 | 87.4°F |
| August 3 | 86.4°F | July 29 | 85.8°F |
| August 2 | 86.9°F | July 28 | 86.5°F |
| August 1 | 87.3°F | July 27 | 86.9°F |
| July 31 | 87.4°F | July 26 | 86.9°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:
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
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: 20:32
August 04, tuesday
2100
77°F
E
1 mph
1 mph
August 05, wednesday
0000
75°F
N
2 mph
2 mph
0300
75°F
NE
3 mph
3 mph
0600
75°F
N
2 mph
2 mph
0900
81°F
N
2 mph
2 mph
1200
84°F
S
3 mph
3 mph
1500
81°F
S
3 mph
3 mph
1800
77°F
NE
2 mph
2 mph
