S
M
T
W
T
F
S
29
46°
33°
30
50°
36°
1
51°
35°
2
50°
35°
3
51°
34°
4
47°
33°
5
49°
31°
6
46°
33°
7
49°
32°
8
42°
29°
9
39°
27°
10
39°
25°
11
37°
29°
12
38°
28°
13
40°
26°
14
38°
22°
15
37°
23°
16
36°
24°
17
37°
25°
18
36°
29°
19
45°
28°
20
45°
20°
21
38°
21°
22
34°
20°
23
33°
22°
24
36°
23°
25
39°
21°
26
44°
15°
27
34°
15°
28
29°
16°
29
32°
16°
30
32°
23°
31
35°
24°
1
46°
17°
2
43°
14°
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 29° to 51°, with overnight lows between 14° and 36°. The average high for December is 41° with an average low of 25°. 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.
