S
M
T
W
T
F
S
29
41°
29°
30
38°
26°
1
36°
25°
2
34°
29°
3
39°
29°
4
39°
27°
5
41°
26°
6
36°
26°
7
35°
28°
8
36°
28°
9
37°
27°
10
36°
26°
11
42°
23°
12
42°
24°
13
33°
25°
14
38°
23°
15
39°
16°
16
35°
12°
17
28°
20°
18
32°
18°
19
37°
12°
20
30°
18°
21
28°
23°
22
36°
22°
23
38°
23°
24
38°
25°
25
39°
16°
26
40°
15°
27
39°
14°
28
26°
14°
29
26°
19°
30
31°
21°
31
36°
21°
1
36°
22°
2
37°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Bangor
Bangor's December 2026 forecast shows daily high temperatures ranging from 26° to 42°, with overnight lows between 12° and 29°. The average high for December is 36° with an average low of 22°. 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 Bangor. See also: January | February | March.
