World Resorts China Hainan Weather

Hainan 7 Days Forecast

06.10
tue
Day
75°F
SW 5 mph
Precip.
40%
Night
70°F
NW 2 mph
Precip.
21%
07.10
wed
Day
75°F
W 5 mph
Precip.
41%
Night
72°F
SW 1 mph
Precip.
62%
08.10
thu
Day
75°F
SW 7 mph
Precip.
68%
Night
72°F
W 4 mph
Precip.
77%
09.10
fri
Day
72°F
SW 6 mph
Precip.
94%
Night
70°F
NW 3 mph
Precip.
51%
10.10
sat
Day
75°F
W 6 mph
Precip.
37%
Night
70°F
NW 3 mph
Precip.
37%
11.10
sun
Day
79°F
W 6 mph
Precip.
21%
Night
72°F
NW 2 mph
Precip.
34%
12.10
mon
Day
82°F
W 6 mph
Precip.
47%
Night
73°F
W 3 mph
Precip.
32%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 82.6°F. The highest and lowest sea temperatures during the month were 84.7°F and 80.4°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 90.0 °F
May 88.9 °F
July 88.7 °F
Warmest sea temp:
July 86.6 °F
June 86.4 °F
August 86.3 °F
Coldest months:
December 69.5 °F
January 70.0 °F
February 74.7 °F
Rainiest months:
August 14 days
July 14 days
May 14 days
Windiest months:
April 4.5 mph
March 4.4 mph
October 4.3 mph

Hainan on a weather map

Hainan
+72°F
SW 2 mph
Feels like: +72°F
Precip.: 39%
Places in China:
Name
°F
+55°F
+66°F
+72°F
+75°F
+77°F
+66°F
+75°F
+68°F
+77°F
+73°F
+72°F
+70°F
+64°F
+73°F
+77°F
24 Hours Forecast
Hainan
Local time: 20:23
October 06, tuesday
2100
72°F
SW
2 mph
October 07, wednesday
0000
70°F
NW
2 mph
0300
72°F
S
1 mph
0600
70°F
SW
2 mph
0900
73°F
SW
3 mph
1200
75°F
W
5 mph
1500
77°F
SW
6 mph
1800
73°F
SW
5 mph
Units of measurement: °C / °F