Measurements:
°C
°F
CURRENT WEATHER
11:48
Hainan
72°F
W 7 mph
Feels like: 72°F
Precip: 75%
World Resorts China Hainan Weather

14 Day Weather Forecast

09.14
mon
DAY
72°F
W 7 mph
precip
75%
NIGHT
74°F
N 2 mph
precip
43%
09.15
tue
DAY
72°F
NW 2 mph
precip
56%
NIGHT
74°F
N 2 mph
precip
31%
09.16
wed
DAY
84°F
W 4 mph
precip
31%
NIGHT
76°F
NW 2 mph
precip
39%
09.17
thu
DAY
84°F
W 7 mph
precip
26%
NIGHT
78°F
NW 3 mph
precip
42%
09.18
fri
DAY
80°F
W 7 mph
precip
66%
NIGHT
76°F
NW 3 mph
precip
42%
09.19
sat
DAY
84°F
W 7 mph
precip
28%
NIGHT
78°F
NW 2 mph
precip
38%
09.20
sun
DAY
86°F
W 6 mph
precip
29%
NIGHT
78°F
N 3 mph
precip
26%
09.21
mon
DAY
86°F
E 4 mph
precip
6%
NIGHT
80°F
NE 2 mph
precip
33%
09.22
tue
DAY
88°F
S 4 mph
precip
21%
NIGHT
80°F
N 2 mph
precip
25%
09.23
wed
DAY
88°F
S 4 mph
precip
8%
NIGHT
80°F
N 2 mph
precip
28%
09.24
thu
DAY
88°F
SW 3 mph
precip
6%
NIGHT
78°F
N 2 mph
precip
22%
09.25
fri
DAY
86°F
SW 4 mph
precip
6%
NIGHT
76°F
NW 3 mph
precip
40%
09.26
sat
DAY
86°F
SW 3 mph
precip
21%
NIGHT
76°F
NW 2 mph
precip
21%
09.27
sun
DAY
84°F
S 5 mph
precip
21%
NIGHT
80°F
NW 4 mph
precip
16%

Hainan Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Hainan was 88.3°F. The maximum and minimum values were 87.2°F and 89.6°F respectively.

Hainan on the Weather Map

Best Time to Visit Hainan
The most sunny months:
June 12 days
April 12 days
March 11 days
The most warm months:
June 94.5 °F
May 93.2 °F
July 93.0 °F
Warmest sea temperature:
July 90.7 °F
June 90.5 °F
August 90.3 °F
The most cold months:
December 71.7 °F
January 72.3 °F
February 77.5 °F
The most rainy months:
September 15 days
August 14 days
July 14 days
The most windy months:
April 4 mph
March 4 mph
October 4 mph
more details
China Resorts:
NAME
F°
Beidaihe +82
Beijing +82
Dadunhai +78
Dalian +76
Guangzhou +94
Hainan +72
Hong Kong +88
Macau +88
Quingdao +78
Sanya +78
Shanghai +88
Shenzhen +90
Weihai +76
Yalong Bay +78
Yantai +76
all resorts
24 Hours Weather Forecast
Hainan
Local time: 11:48
14 sep, monday
1200 72°F
W
7 mph
1500 72°F
NW
4 mph
1800 72°F
NW
4 mph
2100 74°F
NW
3 mph
15 sep, tuesday
0000 74°F
N
2 mph
0300 76°F
NW
2 mph
0600 72°F
N
2 mph
0900 72°F
NW
3 mph