19.12
fri
fri
Day

84°F
W 11 mph
Precip.
67%
67%
Night

75°F
SE 6 mph
Precip.
100%
100%
20.12
sat
sat
Day

84°F
S 9 mph
Precip.
100%
100%
Night

70°F
N 9 mph
Precip.
0%
0%
21.12
sun
sun
Day

86°F
SW 12 mph
Precip.
84%
84%
Night

73°F
SW 8 mph
Precip.
0%
0%
22.12
mon
mon
Day

72°F
NW 15 mph
Precip.
83%
83%
Night

66°F
W 6 mph
Precip.
27%
27%
23.12
tue
tue
Day

73°F
SW 16 mph
Precip.
0%
0%
Night

68°F
N 7 mph
Precip.
57%
57%
24.12
wed
wed
Day

79°F
SW 11 mph
Precip.
0%
0%
Night

68°F
N 14 mph
Precip.
59%
59%
25.12
thu
thu
Day

64°F
NW 18 mph
Precip.
25%
25%
Night

61°F
NW 9 mph
Precip.
100%
100%
26.12
fri
fri
Day

63°F
N 16 mph
Precip.
20%
20%
Night

63°F
N 8 mph
Precip.
70%
70%
27.12
sat
sat
Day

68°F
NW 10 mph
Precip.
0%
0%
Night

66°F
N 12 mph
Precip.
100%
100%
28.12
sun
sun
Day

70°F
NW 14 mph
Precip.
26%
26%
Night

63°F
NW 4 mph
Precip.
54%
54%
29.12
mon
mon
Day

70°F
W 9 mph
Precip.
0%
0%
Night

66°F
W 5 mph
Precip.
75%
75%
30.12
tue
tue
Day

72°F
W 11 mph
Precip.
24%
24%
Night

66°F
SW 7 mph
Precip.
62%
62%
31.12
wed
wed
Day

75°F
W 13 mph
Precip.
0%
0%
Night

66°F
SW 7 mph
Precip.
41%
41%
01.01
thu
thu
Day

75°F
SW 14 mph
Precip.
0%
0%
Night

70°F
SW 16 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 71.1°F. The highest and lowest sea temperatures during the month were 72.7°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: 03:41
December 19, friday
0600

73°F
NE
9 mph
9 mph
0900

79°F
N
6 mph
6 mph
1200

84°F
W
11 mph
11 mph
1500

77°F
SW
6 mph
6 mph
1800

75°F
N
6 mph
6 mph
2100

77°F
N
1 mph
1 mph
December 20, saturday
0000

75°F
SE
6 mph
6 mph
0300

72°F
N
6 mph
6 mph



























