World Resorts China Haikou Weather

Haikou 7 Days Forecast

17.05
sun
Day
84°F
NW 12 mph
Precip.
100%
Night
77°F
NW 11 mph
Precip.
73%
18.05
mon
Day
86°F
NW 11 mph
Precip.
100%
Night
79°F
NW 11 mph
Precip.
0%
19.05
tue
Day
88°F
NW 9 mph
Precip.
100%
Night
77°F
NW 9 mph
Precip.
100%
20.05
wed
Day
81°F
N 14 mph
Precip.
100%
Night
81°F
NW 12 mph
Precip.
0%
21.05
thu
Day
81°F
N 13 mph
Precip.
0%
Night
81°F
NW 14 mph
Precip.
0%
22.05
fri
Day
88°F
NE 7 mph
Precip.
100%
Night
81°F
N 9 mph
Precip.
0%
23.05
sat
Day
90°F
NE 4 mph
Precip.
0%
Night
81°F
N 6 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 79.7°F. The highest and lowest sea temperatures during the month were 83.5°F and 77.5°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 15 days
May 14 days
April 13 days
Warmest months:
June 91.0 °F
July 90.9 °F
August 90.0 °F
Warmest sea temp:
August 85.5 °F
July 85.4 °F
September 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
June 8 days
Windiest months:
December 12.5 mph
October 12.3 mph
November 12.2 mph

Haikou on a weather map

Current weather
07:03
Haikou
+77°F
NW 8 mph
Feels like: +82°F
Precip.: 100%
Places in China:
Name
°F
Beidaihe
+59°F
Beihai
+79°F
Weihai
+61°F
Hong Kong
+75°F
Guangzhou
+75°F
Dadunhai
+77°F
Dalian
+59°F
Beijing
+63°F
Sanya
+77°F
Haikou
+77°F
Hainan
+73°F
Quingdao
+61°F
Shanghai
+68°F
Shenzhen
+75°F
Yalong Bay
+77°F
all places
24 Hours Forecast
Haikou
Local time: 07:03
May 17, sunday
0900
81°F
NW
14 mph
1200
84°F
NW
12 mph
1500
84°F
NW
12 mph
1800
81°F
NW
14 mph
2100
77°F
NW
15 mph
May 18, monday
0000
77°F
NW
11 mph
0300
77°F
NW
10 mph
0600
77°F
NW
11 mph
Units of measurement: °C / °F