26.12
fri
fri
Day
64°F
W 7 mph
Precip.
82%
82%
Night
57°F
W 2 mph
Precip.
0%
0%
27.12
sat
sat
Day
72°F
W 6 mph
Precip.
84%
84%
Night
64°F
W 4 mph
Precip.
100%
100%
28.12
sun
sun
Day
72°F
W 6 mph
Precip.
80%
80%
Night
64°F
NW 4 mph
Precip.
68%
68%
29.12
mon
mon
Day
75°F
W 6 mph
Precip.
78%
78%
Night
66°F
NW 4 mph
Precip.
64%
64%
30.12
tue
tue
Day
72°F
W 7 mph
Precip.
89%
89%
Night
64°F
NW 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
72°F
NW 9 mph
Precip.
0%
0%
Night
63°F
NW 4 mph
Precip.
0%
0%
01.01
thu
thu
Day
73°F
NW 9 mph
Precip.
22%
22%
Night
61°F
NW 4 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 73.6°F and 72.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 69.1°F and 66.6°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
Hainan on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hainan
Local time: 09:41
December 26, friday
1200
64°F
W
7 mph
7 mph
1500
64°F
W
6 mph
6 mph
1800
61°F
W
6 mph
6 mph
2100
57°F
W
4 mph
4 mph
December 27, saturday
0000
57°F
W
2 mph
2 mph
0300
59°F
W
1 mph
1 mph
0600
61°F
NW
2 mph
2 mph
0900
64°F
W
3 mph
3 mph
