Current sea water temperature:
+84.2°F
| Minimum sea water temperature in October: | 86.5°F |
| Maximum sea water temperature in October: | 78.1°F |
| Average sea water temperature in October: | 82.4°F |
| more information | |
14 days
forecast
forecast
| Hainan |
monthly
weather
weather
| Hainan |
Sea water temperature for the last 10 days:
| October 23 | 84.2°F | October 18 | 83.3°F |
| October 22 | 84.6°F | October 17 | 83.1°F |
| October 21 | 84.2°F | October 16 | 83.1°F |
| October 20 | 84.4°F | October 15 | 82.4°F |
| October 19 | 83.5°F | October 14 | 82.6°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 85.8°F. The highest and lowest sea temperatures during the month were 87.4°F and 83.7°F.
current
weather
weather
| Hainan |
weather in
October
October
| Hainan |
Best time for vacation in Hainan
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 09:57
October 24, saturday
1200
84°F
SE
5 mph
5 mph
1500
86°F
S
6 mph
6 mph
1800
79°F
S
2 mph
2 mph
2100
75°F
NW
1 mph
1 mph
October 25, sunday
0000
73°F
N
2 mph
2 mph
0300
72°F
N
3 mph
3 mph
0600
72°F
N
2 mph
2 mph
0900
79°F
W
1 mph
1 mph
