S
M
T
W
T
F
S
29
61°
42°
30
60°
42°
1
62°
47°
2
65°
42°
3
66°
42°
4
61°
52°
5
68°
55°
6
72°
53°
7
73°
44°
8
71°
45°
9
63°
52°
10
67°
53°
11
70°
51°
12
70°
45°
13
69°
40°
14
59°
40°
15
58°
51°
16
65°
52°
17
68°
53°
18
70°
53°
19
71°
54°
20
72°
51°
21
73°
49°
22
70°
40°
23
64°
44°
24
59°
52°
25
69°
52°
26
70°
47°
27
71°
41°
28
69°
43°
29
59°
37°
30
60°
37°
31
56°
38°
1
56°
51°
2
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Danbury
Danbury's December 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 37° and 55°. The average high for December is 66° with an average low of 47°. 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 Danbury. See also: January | February | March.
