18.12
thu
thu
Day
70°F
W 12 mph
Precip.
0%
0%
Night
66°F
W 13 mph
Precip.
100%
100%
19.12
fri
fri
Day
68°F
W 9 mph
Precip.
0%
0%
Night
68°F
W 12 mph
Precip.
0%
0%
20.12
sat
sat
Day
72°F
W 9 mph
Precip.
0%
0%
Night
70°F
SW 8 mph
Precip.
0%
0%
21.12
sun
sun
Day
72°F
W 9 mph
Precip.
0%
0%
Night
66°F
W 22 mph
Precip.
0%
0%
22.12
mon
mon
Day
66°F
W 11 mph
Precip.
0%
0%
Night
66°F
W 19 mph
Precip.
21%
21%
23.12
tue
tue
Day
68°F
W 5 mph
Precip.
0%
0%
Night
66°F
W 8 mph
Precip.
0%
0%
24.12
wed
wed
Day
70°F
SW 6 mph
Precip.
0%
0%
Night
66°F
SW 17 mph
Precip.
70%
70%
25.12
thu
thu
Day
64°F
W 11 mph
Precip.
0%
0%
Night
64°F
W 17 mph
Precip.
26%
26%
26.12
fri
fri
Day
64°F
W 4 mph
Precip.
0%
0%
Night
64°F
W 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
66°F
W 5 mph
Precip.
0%
0%
Night
66°F
W 11 mph
Precip.
0%
0%
28.12
sun
sun
Day
66°F
W 19 mph
Precip.
0%
0%
Night
64°F
W 19 mph
Precip.
0%
0%
29.12
mon
mon
Day
66°F
W 12 mph
Precip.
0%
0%
Night
64°F
W 8 mph
Precip.
0%
0%
30.12
tue
tue
Day
68°F
W 7 mph
Precip.
0%
0%
Night
66°F
W 14 mph
Precip.
0%
0%
31.12
wed
wed
Day
66°F
W 21 mph
Precip.
0%
0%
Night
64°F
W 22 mph
Precip.
23%
23%
sea water
temperature
temperature
| Hong Kong |
monthly
weather
weather
| Hong Kong |
current
weather
weather
| Hong Kong |
7 days
forecast
forecast
| Hong Kong |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 70.0°F. The highest and lowest sea temperatures during the month were 70.9°F and 68.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 63.9°F. The highest and lowest sea temperatures during the month were 65.8°F and 61.5°F.
Air temperature in Hong Kong, °F
Precipitation total in Hong Kong, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hong Kong
Hong Kong on a weather map
Places in China:
Name
°F
24 Hours Forecast
Hong Kong
Local time: 09:35
December 18, thursday
1200
70°F
W
12 mph
12 mph
1500
70°F
W
14 mph
14 mph
1800
68°F
W
13 mph
13 mph
2100
66°F
W
13 mph
13 mph
December 19, friday
0000
66°F
W
13 mph
13 mph
0300
66°F
SW
12 mph
12 mph
0600
66°F
SW
9 mph
9 mph
0900
66°F
W
9 mph
9 mph
