S
M
T
W
T
F
S
29
50°
38°
30
52°
38°
1
51°
36°
2
49°
34°
3
41°
35°
4
47°
33°
5
49°
36°
6
45°
34°
7
39°
28°
8
36°
25°
9
35°
24°
10
37°
28°
11
40°
34°
12
42°
30°
13
42°
28°
14
36°
21°
15
35°
26°
16
37°
31°
17
41°
29°
18
39°
27°
19
40°
21°
20
36°
20°
21
32°
18°
22
31°
24°
23
35°
28°
24
36°
26°
25
36°
17°
26
34°
13°
27
31°
14°
28
30°
15°
29
30°
15°
30
31°
24°
31
33°
17°
1
34°
13°
2
30°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brownsburg
Brownsburg's December 2026 forecast shows daily high temperatures ranging from 30° to 52°, with overnight lows between 10° and 38°. The average high for December is 38° 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 Brownsburg. See also: January | February | March.
