S
M
T
W
T
F
S
29
37°
25°
30
38°
25°
1
37°
26°
2
39°
30°
3
43°
17°
4
47°
16°
5
42°
21°
6
28°
20°
7
31°
18°
8
32°
15°
9
32°
15°
10
28°
16°
11
25°
15°
12
29°
18°
13
33°
19°
14
30°
23°
15
30°
25°
16
34°
25°
17
35°
21°
18
34°
26°
19
36°
26°
20
36°
23°
21
35°
22°
22
34°
17°
23
32°
21°
24
31°
22°
25
32°
20°
26
33°
22°
27
30°
19°
28
31°
10°
29
32°
17°
30
31°
8°
31
29°
13°
1
25°
14°
2
Hist. Avg.
31°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brampton
Brampton's December 2026 forecast shows daily high temperatures ranging from 25° to 47°, with overnight lows between 8° and 30°. The average high for December is 33° with an average low of 20°. 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 Brampton. See also: January | February | March.
