S
M
T
W
T
F
S
29
47°
38°
30
51°
40°
1
52°
39°
2
51°
40°
3
53°
38°
4
51°
37°
5
50°
37°
6
49°
36°
7
51°
36°
8
45°
34°
9
42°
34°
10
43°
32°
11
42°
35°
12
43°
32°
13
42°
30°
14
44°
23°
15
37°
24°
16
36°
28°
17
39°
27°
18
38°
33°
19
45°
32°
20
47°
28°
21
42°
25°
22
38°
25°
23
36°
24°
24
38°
31°
25
40°
23°
26
46°
20°
27
36°
22°
28
32°
22°
29
36°
20°
30
35°
25°
31
36°
30°
1
48°
25°
2
46°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Somerset
Somerset's December 2026 forecast shows daily high temperatures ranging from 32° to 53°, with overnight lows between 19° and 40°. The average high for December is 43° 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 Somerset. See also: January | February | March.
