S
M
T
W
T
F
S
29
Hist. Avg.
75°
61°
30
Hist. Avg.
75°
61°
1
Hist. Avg.
75°
61°
2
Hist. Avg.
75°
61°
3
Hist. Avg.
75°
61°
4
Hist. Avg.
75°
61°
5
Hist. Avg.
75°
61°
6
Hist. Avg.
76°
62°
7
Hist. Avg.
76°
62°
8
Hist. Avg.
76°
62°
9
Hist. Avg.
76°
62°
10
Hist. Avg.
76°
62°
11
Hist. Avg.
76°
62°
12
Hist. Avg.
76°
62°
13
Hist. Avg.
76°
62°
14
Hist. Avg.
76°
62°
15
Hist. Avg.
76°
62°
16
Hist. Avg.
77°
63°
17
Hist. Avg.
77°
63°
18
Hist. Avg.
77°
63°
19
Hist. Avg.
77°
63°
20
Hist. Avg.
77°
63°
21
Hist. Avg.
77°
63°
22
Hist. Avg.
77°
63°
23
Hist. Avg.
77°
63°
24
Hist. Avg.
77°
63°
25
Hist. Avg.
77°
63°
26
Hist. Avg.
77°
63°
27
Hist. Avg.
77°
63°
28
Hist. Avg.
77°
63°
29
Hist. Avg.
77°
63°
30
Hist. Avg.
77°
63°
31
Hist. Avg.
77°
64°
1
Hist. Avg.
77°
64°
2
Hist. Avg.
77°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Sydney
Sydney's December 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Sydney. See also: January | February | March.
