27.04
mon
mon
Day
84°F
NW 12 mph
Precip.
100%
100%
Night
77°F
NW 11 mph
Precip.
0%
0%
28.04
tue
tue
Day
88°F
N 7 mph
Precip.
0%
0%
Night
79°F
SE 1 mph
Precip.
0%
0%
29.04
wed
wed
Day
77°F
E 9 mph
Precip.
62%
62%
Night
73°F
S 11 mph
Precip.
100%
100%
30.04
thu
thu
Day
73°F
SW 14 mph
Precip.
100%
100%
Night
73°F
W 15 mph
Precip.
100%
100%
01.05
fri
fri
Day
77°F
W 14 mph
Precip.
89%
89%
Night
75°F
NW 12 mph
Precip.
71%
71%
02.05
sat
sat
Day
84°F
NW 11 mph
Precip.
83%
83%
Night
79°F
NW 13 mph
Precip.
0%
0%
03.05
sun
sun
Day
88°F
N 7 mph
Precip.
0%
0%
Night
79°F
NW 9 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 79.9°F. The highest and lowest sea temperatures during the month were 82.8°F and 78.1°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 82.6°F and 77.7°F.
Air temperature in Haikou, °F
Precipitation total in Haikou, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Haikou
Haikou on a weather map
Places in China:
Name
°F
24 Hours Forecast
Haikou
Local time: 03:18
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
