S
M
T
W
T
F
S
29
48°
37°
30
49°
37°
1
48°
38°
2
48°
36°
3
49°
35°
4
45°
34°
5
47°
35°
6
47°
35°
7
45°
33°
8
38°
32°
9
38°
33°
10
39°
33°
11
38°
32°
12
40°
31°
13
38°
32°
14
36°
26°
15
37°
26°
16
36°
27°
17
37°
30°
18
38°
32°
19
43°
30°
20
41°
23°
21
39°
25°
22
36°
27°
23
34°
24°
24
37°
25°
25
32°
22°
26
32°
18°
27
31°
14°
28
29°
12°
29
31°
10°
30
30°
22°
31
31°
25°
1
39°
18°
2
33°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gorham
Gorham's December 2026 forecast shows daily high temperatures ranging from 29° to 49°, with overnight lows between 10° and 38°. The average high for December is 39° with an average low of 28°. 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 Gorham. See also: January | February | March.