Current sea water temperature:
+69.3°F
| Minimum sea water temperature in January: | 72.3°F |
| Maximum sea water temperature in January: | 63.9°F |
| Average sea water temperature in January: | 67.6°F |
| more information | |
14 days
forecast
forecast
| Haikou |
monthly
weather
weather
| Haikou |
Sea water temperature for the last 10 days:
| January 6 | 69.3°F | January 1 | 69.4°F |
| January 5 | 69.8°F | December 31 | 69.6°F |
| January 4 | 69.6°F | December 30 | 69.8°F |
| January 3 | 70.0°F | December 29 | 70.0°F |
| January 2 | 70.3°F | December 28 | 70.5°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
January
January
| Haikou |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 10:44
January 07, wednesday
1200
64°F
SW
14 mph
14 mph
1500
63°F
SW
14 mph
14 mph
1800
61°F
SW
14 mph
14 mph
2100
61°F
SW
10 mph
10 mph
January 08, thursday
0000
61°F
W
7 mph
7 mph
0300
61°F
SW
9 mph
9 mph
0600
61°F
SW
12 mph
12 mph
0900
64°F
SW
15 mph
15 mph
