S
M
T
W
T
F
S
29
69°
44°
30
69°
43°
1
67°
37°
2
66°
34°
3
58°
41°
4
60°
36°
5
60°
36°
6
59°
37°
7
60°
43°
8
66°
37°
9
66°
41°
10
60°
35°
11
66°
30°
12
55°
30°
13
52°
29°
14
56°
26°
15
51°
27°
16
50°
29°
17
52°
34°
18
58°
33°
19
54°
37°
20
52°
38°
21
58°
39°
22
59°
40°
23
62°
41°
24
64°
37°
25
64°
38°
26
64°
33°
27
58°
35°
28
61°
27°
29
Hist. Avg.
55°
32°
30
Hist. Avg.
54°
32°
31
Hist. Avg.
54°
32°
1
Hist. Avg.
55°
33°
2
Hist. Avg.
55°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Brunswick
Brunswick's December 2026 forecast shows daily high temperatures ranging from 50° to 69°, with overnight lows between 26° and 44°. The average high for December is 60° with an average low of 36°. 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 Brunswick. See also: January | February | March.
