Current sea water temperature:
+69.6°F
| Minimum sea water temperature in December: | 78.3°F |
| Maximum sea water temperature in December: | 65.1°F |
| Average sea water temperature in December: | 71.5°F |
| more information | |
14 days
forecast
forecast
| Haikou |
monthly
weather
weather
| Haikou |
Sea water temperature for the last 10 days:
| December 31 | 69.6°F | December 26 | 70.9°F |
| December 30 | 69.8°F | December 25 | 71.2°F |
| December 29 | 70.0°F | December 24 | 71.2°F |
| December 28 | 70.5°F | December 23 | 71.2°F |
| December 27 | 70.7°F | December 22 | 71.8°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: 03:49
January 01, thursday
0600
68°F
W
14 mph
14 mph
0900
70°F
W
14 mph
14 mph
1200
73°F
W
14 mph
14 mph
1500
73°F
SW
16 mph
16 mph
1800
70°F
W
14 mph
14 mph
2100
68°F
W
14 mph
14 mph
January 02, friday
0000
68°F
W
12 mph
12 mph
0300
66°F
W
12 mph
12 mph
