World Resorts China Hainan Weather

Hainan 7 Days Forecast

17.05
sun
Day
88°F
NW 5 mph
Precip.
100%
Night
75°F
NW 4 mph
Precip.
0%
18.05
mon
Day
88°F
N 4 mph
Precip.
100%
Night
75°F
N 3 mph
Precip.
100%
19.05
tue
Day
75°F
NW 3 mph
Precip.
100%
Night
72°F
N 4 mph
Precip.
0%
20.05
wed
Day
88°F
N 6 mph
Precip.
76%
Night
73°F
N 4 mph
Precip.
0%
21.05
thu
Day
88°F
N 4 mph
Precip.
100%
Night
75°F
N 4 mph
Precip.
0%
22.05
fri
Day
90°F
NE 1 mph
Precip.
100%
Night
75°F
N 4 mph
Precip.
0%
23.05
sat
Day
90°F
NE 3 mph
Precip.
0%
Night
77°F
N 5 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 83.0°F. The highest and lowest sea temperatures during the month were 86.7°F and 81.3°F.

Air temperature in Hainan, °F

Precipitation total in Hainan, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Hainan

Sunniest months:
June 12 days
April 12 days
March 11 days
Warmest months:
June 89.9 °F
May 89.0 °F
July 88.9 °F
Warmest sea temp:
July 86.6 °F
June 86.3 °F
August 86.3 °F
Coldest months:
December 69.5 °F
January 70.0 °F
February 74.7 °F
Rainiest months:
September 15 days
August 14 days
July 14 days
Windiest months:
April 4.5 mph
March 4.4 mph
October 4.3 mph

Hainan on a weather map

Current weather
06:42
Hainan
+73°F
N 4 mph
Feels like: +77°F
Precip.: 0%
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
+73°F
Yalong Bay
+77°F
all places
24 Hours Forecast
Hainan
Local time: 06:42
May 17, sunday
0900
81°F
NW
4 mph
1200
88°F
NW
5 mph
1500
86°F
NW
6 mph
1800
81°F
NW
4 mph
2100
75°F
N
5 mph
May 18, monday
0000
75°F
NW
4 mph
0300
73°F
N
4 mph
0600
73°F
NW
4 mph
Units of measurement: °C / °F