21.04
mon
mon
Day
97°F
N 7 mph
Precip.
0%
0%
Night
75°F
N 6 mph
Precip.
0%
0%
22.04
tue
tue
Day
99°F
NE 6 mph
Precip.
0%
0%
Night
77°F
N 7 mph
Precip.
0%
0%
23.04
wed
wed
Day
100°F
NE 7 mph
Precip.
0%
0%
Night
77°F
N 6 mph
Precip.
0%
0%
24.04
thu
thu
Day
93°F
S 5 mph
Precip.
0%
0%
Night
73°F
NW 1 mph
Precip.
100%
100%
25.04
fri
fri
Day
82°F
SW 3 mph
Precip.
100%
100%
Night
72°F
S 0 mph
Precip.
100%
100%
26.04
sat
sat
Day
82°F
NW 3 mph
Precip.
100%
100%
Night
73°F
N 3 mph
Precip.
45%
45%
27.04
sun
sun
Day
86°F
W 2 mph
Precip.
100%
100%
Night
73°F
NE 2 mph
Precip.
100%
100%
28.04
mon
mon
Day
86°F
W 2 mph
Precip.
100%
100%
Night
73°F
NE 1 mph
Precip.
0%
0%
29.04
tue
tue
Day
88°F
W 3 mph
Precip.
47%
47%
Night
73°F
N 1 mph
Precip.
41%
41%
30.04
wed
wed
Day
84°F
S 1 mph
Precip.
0%
0%
Night
72°F
E 1 mph
Precip.
0%
0%
01.05
thu
thu
Day
84°F
S 2 mph
Precip.
100%
100%
Night
73°F
W 1 mph
Precip.
0%
0%
02.05
fri
fri
Day
88°F
S 2 mph
Precip.
23%
23%
Night
73°F
N 3 mph
Precip.
0%
0%
03.05
sat
sat
Day
86°F
W 2 mph
Precip.
100%
100%
Night
73°F
N 5 mph
Precip.
0%
0%
04.05
sun
sun
Day
88°F
N 6 mph
Precip.
0%
0%
Night
77°F
NW 4 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2025
2024
2023
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 2025 was 75.6°F. The highest and lowest sea temperatures during the month were 77.2°F and 73.9°F.
Sea water temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
77
79
81
83
85
87
89
91
The average sea water temperature in May of 2024 was 84.7°F. The highest and lowest sea temperatures during the month were 86.4°F and 83.3°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
2.6
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: 13:54
April 21, monday
1500
100°F
N
6 mph
6 mph
1800
91°F
SE
2 mph
2 mph
2100
79°F
N
4 mph
4 mph
April 22, tuesday
0000
75°F
N
6 mph
6 mph
0300
72°F
N
7 mph
7 mph
0600
72°F
N
7 mph
7 mph
0900
86°F
N
6 mph
6 mph
1200
99°F
NE
6 mph
6 mph
