24.12
wed
wed
Day
77°F
W 6 mph
Precip.
0%
0%
Night
66°F
W 3 mph
Precip.
0%
0%
25.12
thu
thu
Day
66°F
S 7 mph
Precip.
100%
100%
Night
61°F
W 6 mph
Precip.
76%
76%
26.12
fri
fri
Day
66°F
W 7 mph
Precip.
88%
88%
Night
63°F
W 3 mph
Precip.
63%
63%
27.12
sat
sat
Day
68°F
W 8 mph
Precip.
83%
83%
Night
63°F
NW 6 mph
Precip.
73%
73%
28.12
sun
sun
Day
70°F
W 6 mph
Precip.
74%
74%
Night
64°F
NW 4 mph
Precip.
0%
0%
29.12
mon
mon
Day
73°F
NW 7 mph
Precip.
0%
0%
Night
64°F
NW 3 mph
Precip.
22%
22%
30.12
tue
tue
Day
73°F
W 6 mph
Precip.
40%
40%
Night
63°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: 18:06
December 24, wednesday
2100
68°F
W
4 mph
4 mph
December 25, thursday
0000
66°F
W
3 mph
3 mph
0300
64°F
W
3 mph
3 mph
0600
64°F
SW
2 mph
2 mph
0900
66°F
SW
4 mph
4 mph
1200
66°F
S
7 mph
7 mph
1500
68°F
SW
6 mph
6 mph
1800
63°F
SW
7 mph
7 mph
