S
M
T
W
T
F
S
29
39°
26°
30
44°
28°
1
42°
28°
2
42°
27°
3
42°
26°
4
39°
29°
5
43°
30°
6
43°
28°
7
44°
23°
8
42°
21°
9
33°
22°
10
37°
24°
11
38°
25°
12
35°
25°
13
36°
26°
14
37°
25°
15
40°
19°
16
41°
18°
17
29°
20°
18
33°
16°
19
28°
20°
20
32°
22°
21
34°
24°
22
37°
23°
23
37°
19°
24
34°
13°
25
27°
15°
26
27°
23°
27
33°
20°
28
36°
17°
29
32°
13°
30
28°
19°
31
29°
5°
1
30°
3°
2
18°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brookfield
Brookfield's December 2026 forecast shows daily high temperatures ranging from 18° to 44°, with overnight lows between 3° and 30°. The average high for December is 35° with an average low of 21°. 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 Brookfield. See also: January | February | March.
