Current sea water temperature:
+70.9°F
| Minimum sea water temperature in March: | 77.2°F |
| Maximum sea water temperature in March: | 64.2°F |
| Average sea water temperature in March: | 70.6°F |
| more information | |
14 days
forecast
forecast
| Haikou |
monthly
weather
weather
| Haikou |
Sea water temperature for the last 10 days:
| March 17 | 70.9°F | March 12 | 70.9°F |
| March 16 | 71.4°F | March 11 | 70.9°F |
| March 15 | 69.8°F | March 10 | 71.4°F |
| March 14 | 70.7°F | March 9 | 71.2°F |
| March 13 | 70.3°F | March 8 | 71.4°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
March
March
| Haikou |
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 15:42
March 17, tuesday
1800
77°F
W
14 mph
14 mph
2100
72°F
NW
12 mph
12 mph
March 18, wednesday
0000
72°F
NW
9 mph
9 mph
0300
70°F
NW
9 mph
9 mph
0600
70°F
NW
9 mph
9 mph
0900
73°F
NW
11 mph
11 mph
1200
79°F
W
9 mph
9 mph
1500
81°F
SW
12 mph
12 mph
