World Resorts China Haikou Weather

Haikou 7 Days Forecast

15.09
tue
Day
81°F
NW 1 mph
Precip.
42%
Night
79°F
W 7 mph
Precip.
28%
16.09
wed
Day
84°F
SW 10 mph
Precip.
36%
Night
77°F
NW 6 mph
Precip.
22%
17.09
thu
Day
84°F
W 11 mph
Precip.
22%
Night
77°F
NW 7 mph
Precip.
38%
18.09
fri
Day
84°F
SW 16 mph
Precip.
17%
Night
79°F
W 11 mph
Precip.
62%
19.09
sat
Day
84°F
W 11 mph
Precip.
36%
Night
79°F
NW 7 mph
Precip.
15%
20.09
sun
Day
84°F
SW 11 mph
Precip.
30%
Night
77°F
NW 6 mph
Precip.
14%
21.09
mon
Day
86°F
SW 7 mph
Precip.
11%
Night
77°F
NW 6 mph
Precip.
16%

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.

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

Sunniest months:
June 14 days
May 14 days
April 13 days
Warmest months:
June 91.0 °F
July 90.7 °F
August 89.7 °F
Warmest sea temp:
July 85.5 °F
August 85.5 °F
June 84.3 °F
Coldest months:
January 69.8 °F
December 71.3 °F
February 72.8 °F
Rainiest months:
August 9 days
July 8 days
October 8 days
Windiest months:
December 12.5 mph
October 12.3 mph
November 12.2 mph

Haikou on a weather map

Current weather
02:31
Haikou
+77°F
W 5 mph
Feels like: +81°F
Precip.: 28%
Places in China:
Name
°F
Beidaihe
+55°F
Weihai
+64°F
Hong Kong
+77°F
Guangzhou
+81°F
Dadunhai
+75°F
Dalian
+66°F
Beijing
+64°F
Sanya
+75°F
Taipei
+75°F
Hainan
+73°F
Quingdao
+70°F
Shanghai
+73°F
Shenzhen
+79°F
Yalong Bay
+75°F
Yantai
+61°F
all places
24 Hours Forecast
Haikou
Local time: 02:31
September 15, tuesday
0300
77°F
W
5 mph
0600
77°F
W
2 mph
0900
79°F
N
2 mph
1200
81°F
NW
1 mph
1500
84°F
SW
4 mph
1800
81°F
W
6 mph
2100
79°F
W
6 mph
September 16, wednesday
0000
79°F
W
7 mph
Units of measurement: °C / °F