Current sea water temperature:
+88.3°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 24 | 88.3°F | June 19 | 86.7°F |
| June 23 | 88.3°F | June 18 | 86.5°F |
| June 22 | 87.4°F | June 17 | 86.9°F |
| June 21 | 86.0°F | June 16 | 86.4°F |
| June 20 | 86.5°F | June 15 | 86.7°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:
2026
2025
2024
The average sea water temperature in June of 2026 was 87.6°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
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: 11:02
June 25, thursday
1200
99°F
NE
3 mph
3 mph
1500
102°F
S
2 mph
2 mph
1800
90°F
S
4 mph
4 mph
2100
79°F
N
2 mph
2 mph
June 26, friday
0000
77°F
N
4 mph
4 mph
0300
77°F
N
4 mph
4 mph
0600
75°F
N
4 mph
4 mph
0900
88°F
N
4 mph
4 mph
