Current sea water temperature:
+78.6°F
| Minimum sea water temperature in April: | 82.8°F |
| Maximum sea water temperature in April: | 67.5°F |
| Average sea water temperature in April: | 75.6°F |
| more information | |
14 days
forecast
forecast
| Haikou |
monthly
weather
weather
| Haikou |
Sea water temperature for the last 10 days:
| April 26 | 78.6°F | April 21 | 79.2°F |
| April 25 | 79.7°F | April 20 | 79.2°F |
| April 24 | 80.6°F | April 19 | 78.1°F |
| April 23 | 81.0°F | April 18 | 79.5°F |
| April 22 | 80.2°F | April 17 | 80.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Haikou?
Based on the data about daily sea water temperature for the last three years the warmest sea in Haikou was noticed in August, July and September.
Monthly Sea Temperatures in Haikou, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.6°F. The highest and lowest sea temperatures during the month were 88.5°F and 83.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 86.0°F and 83.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.6°F.
current
weather
weather
| Haikou |
weather in
April
April
| Haikou |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 03:20
April 27, monday
0600
75°F
NW
7 mph
7 mph
0900
79°F
NW
11 mph
11 mph
1200
84°F
NW
12 mph
12 mph
1500
84°F
NW
12 mph
12 mph
1800
82°F
NW
14 mph
14 mph
2100
77°F
NW
12 mph
12 mph
April 28, tuesday
0000
77°F
NW
11 mph
11 mph
0300
75°F
NW
11 mph
11 mph
