S
M
T
W
T
F
S
29
76°
66°
30
81°
67°
1
82°
68°
2
84°
67°
3
82°
66°
4
82°
67°
5
75°
61°
6
82°
59°
7
76°
60°
8
75°
62°
9
78°
65°
10
76°
68°
11
82°
70°
12
84°
62°
13
83°
61°
14
76°
64°
15
77°
67°
16
83°
63°
17
82°
62°
18
76°
61°
19
76°
65°
20
82°
64°
21
82°
70°
22
84°
70°
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 Chatswood
Chatswood's December 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 59° and 70°. The average high for December is 80° with an average low of 65°. 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 Chatswood. See also: January | February | March.
