S
M
T
W
T
F
S
29
45°
28°
30
49°
38°
1
51°
42°
2
47°
42°
3
48°
41°
4
50°
42°
5
52°
42°
6
53°
41°
7
53°
37°
8
47°
32°
9
43°
32°
10
45°
34°
11
58°
32°
12
61°
28°
13
60°
26°
14
42°
28°
15
46°
26°
16
45°
28°
17
43°
35°
18
48°
39°
19
56°
40°
20
56°
39°
21
55°
38°
22
55°
43°
23
58°
38°
24
59°
25°
25
58°
23°
26
41°
26°
27
41°
30°
28
46°
38°
29
51°
39°
30
54°
41°
31
56°
40°
1
58°
33°
2
59°
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 41° to 61°, with overnight lows between 23° and 43°. The average high for December is 51° with an average low of 35°. 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.
