S
M
T
W
T
F
S
29
41°
33°
30
41°
31°
1
45°
30°
2
42°
28°
3
40°
29°
4
40°
24°
5
42°
27°
6
41°
24°
7
42°
28°
8
44°
35°
9
47°
37°
10
50°
31°
11
53°
25°
12
35°
26°
13
49°
31°
14
49°
34°
15
Hist. Avg.
39°
20°
16
Hist. Avg.
38°
20°
17
Hist. Avg.
38°
20°
18
Hist. Avg.
38°
20°
19
Hist. Avg.
38°
20°
20
Hist. Avg.
38°
19°
21
Hist. Avg.
37°
19°
22
Hist. Avg.
37°
19°
23
Hist. Avg.
37°
19°
24
Hist. Avg.
37°
19°
25
Hist. Avg.
37°
19°
26
Hist. Avg.
37°
19°
27
Hist. Avg.
37°
18°
28
Hist. Avg.
36°
18°
29
Hist. Avg.
36°
18°
30
Hist. Avg.
36°
18°
31
Hist. Avg.
36°
18°
1
Hist. Avg.
36°
18°
2
Hist. Avg.
36°
18°
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 35° to 53°, with overnight lows between 24° and 37°. The average high for December is 44° with an average low of 30°. 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.
