S
M
T
W
T
F
S
29
42°
31°
30
53°
27°
1
53°
25°
2
50°
34°
3
51°
25°
4
52°
24°
5
41°
23°
6
38°
24°
7
38°
24°
8
39°
28°
9
41°
33°
10
48°
32°
11
50°
28°
12
47°
27°
13
40°
27°
14
39°
23°
15
40°
19°
16
36°
17°
17
34°
19°
18
34°
28°
19
42°
28°
20
41°
22°
21
46°
22°
22
35°
31°
23
47°
33°
24
47°
29°
25
46°
28°
26
45°
28°
27
41°
27°
28
44°
30°
29
44°
30°
30
45°
31°
31
47°
29°
1
47°
27°
2
46°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brighton
Brighton's December 2026 forecast shows daily high temperatures ranging from 34° to 53°, with overnight lows between 17° and 34°. The average high for December is 44° with an average low of 27°. 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 Brighton. See also: January | February | March.
