23.12
tue
tue
Day
84°F
N 4 mph
Precip.
0%
0%
Night
66°F
W 4 mph
Precip.
81%
81%
24.12
wed
wed
Day
79°F
SW 12 mph
Precip.
0%
0%
Night
66°F
N 16 mph
Precip.
100%
100%
25.12
thu
thu
Day
66°F
NW 16 mph
Precip.
82%
82%
Night
63°F
N 15 mph
Precip.
100%
100%
26.12
fri
fri
Day
64°F
N 14 mph
Precip.
0%
0%
Night
63°F
NW 7 mph
Precip.
83%
83%
27.12
sat
sat
Day
68°F
W 10 mph
Precip.
0%
0%
Night
64°F
NW 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
70°F
NW 10 mph
Precip.
0%
0%
Night
66°F
NW 9 mph
Precip.
73%
73%
29.12
mon
mon
Day
72°F
NW 9 mph
Precip.
0%
0%
Night
64°F
SW 6 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 71.8°F. The highest and lowest sea temperatures during the month were 74.7°F and 69.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 74.0°F. The highest and lowest sea temperatures during the month were 75.0°F and 71.4°F.
Air temperature in Sydney, °F
Precipitation total in Sydney, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sydney
Sydney on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Sydney
Local time: 20:09
December 23, tuesday
2100
68°F
NW
11 mph
11 mph
December 24, wednesday
0000
66°F
W
4 mph
4 mph
0300
66°F
SW
2 mph
2 mph
0600
68°F
S
5 mph
5 mph
0900
75°F
S
6 mph
6 mph
1200
79°F
SW
12 mph
12 mph
1500
77°F
SW
16 mph
16 mph
1800
73°F
SW
15 mph
15 mph
