S
M
T
W
T
F
S
30
85°
64°
1
80°
60°
2
69°
56°
3
80°
58°
4
90°
64°
5
100°
67°
6
103°
71°
7
84°
67°
8
81°
66°
9
92°
68°
10
76°
65°
11
77°
67°
12
73°
66°
13
80°
63°
14
94°
66°
15
76°
66°
16
71°
63°
17
82°
65°
18
91°
67°
19
109°
70°
20
92°
73°
21
98°
73°
22
90°
72°
23
91°
69°
24
89°
66°
25
75°
63°
26
66°
58°
27
71°
58°
28
73°
59°
29
74°
61°
30
75°
59°
31
76°
63°
1
69°
63°
2
75°
64°
3
78°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Chatswood
Chatswood's December 2025 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 Chatswood. See also: January | February | March.
