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