27.03
thu
thu
Day

97°F
N 6 mph
Precip.
0%
0%
Night

73°F
N 6 mph
Precip.
0%
0%
28.03
fri
fri
Day

99°F
N 2 mph
Precip.
0%
0%
Night

73°F
NW 5 mph
Precip.
0%
0%
29.03
sat
sat
Day

81°F
W 8 mph
Precip.
100%
100%
Night

72°F
W 6 mph
Precip.
100%
100%
30.03
sun
sun
Day

73°F
W 7 mph
Precip.
100%
100%
Night

70°F
W 4 mph
Precip.
100%
100%
31.03
mon
mon
Day

72°F
W 4 mph
Precip.
100%
100%
Night

66°F
SE 4 mph
Precip.
100%
100%
01.04
tue
tue
Day

63°F
SW 4 mph
Precip.
100%
100%
Night

61°F
W 4 mph
Precip.
53%
53%
02.04
wed
wed
Day

64°F
W 4 mph
Precip.
21%
21%
Night

63°F
W 4 mph
Precip.
0%
0%
Sea water temperature in March, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
65
68
71
74
77
80
83
86
The average sea water temperature in March of 2025 was 73.3°F. The highest and lowest sea temperatures during the month were 74.3°F and 70.2°F.
Sea water temperature in April, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
69
73
77
81
85
89
93
The average sea water temperature in April of 2024 was 82.5°F. The highest and lowest sea temperatures during the month were 86.7°F and 80.1°F.
Air temperature in Hainan, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
15
30
45
60
75
90
105
120
69.2
76.1
79.6
85.7
87.8
89.7
90.4
89.0
87.6
82.8
74.6
70.7
61.0
66.6
69.9
72.7
74.2
74.5
75.1
73.5
70.4
66.1
61.3
60.4
Day temperature | Night temperature |
Precipitation total in Hainan, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.5
5.3
7.1
8.9
10.6
12.4
1.5
4.7
10.4
7.3
8
7.2
4.7
7.2
4.2
2.5
1
1.8
* Charts above show average data for the last 3 years.
Best time for vacation in Hainan
Hainan on a weather map
Leaflet | Tiles © Esri
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 01:51
March 27, thursday
0300

70°F
N
6 mph
6 mph
0600

68°F
N
6 mph
6 mph
0900

81°F
N
6 mph
6 mph
1200

97°F
N
6 mph
6 mph
1500

100°F
NE
6 mph
6 mph
1800

91°F
SE
1 mph
1 mph
2100

79°F
N
5 mph
5 mph
March 28, friday
0000

73°F
N
6 mph
6 mph