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