S
M
T
W
T
F
S
29
36°
15°
30
34°
16°
1
32°
14°
2
28°
19°
3
33°
20°
4
33°
20°
5
32°
17°
6
34°
15°
7
30°
16°
8
31°
16°
9
31°
17°
10
32°
17°
11
31°
15°
12
31°
14°
13
29°
14°
14
29°
13°
15
28°
11°
16
27°
8°
17
26°
5°
18
23°
0°
19
20°
-2°
20
17°
-6°
21
13°
-3°
22
11°
-6°
23
14°
7°
24
18°
8°
25
28°
10°
26
25°
12°
27
28°
12°
28
28°
13°
29
27°
9°
30
27°
3°
31
24°
3°
1
16°
1°
2
16°
-8°
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 11° to 36°, with overnight lows between -8° and 20°. The average high for December is 26° 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.
