S
M
T
W
T
F
S
29
42°
33°
30
43°
33°
1
48°
32°
2
50°
34°
3
51°
33°
4
39°
25°
5
50°
22°
6
50°
20°
7
35°
18°
8
36°
22°
9
37°
15°
10
36°
12°
11
34°
15°
12
33°
19°
13
36°
17°
14
36°
26°
15
39°
29°
16
42°
27°
17
49°
22°
18
46°
21°
19
37°
19°
20
36°
19°
21
37°
16°
22
36°
19°
23
39°
23°
24
43°
26°
25
39°
27°
26
40°
24°
27
41°
22°
28
37°
20°
29
33°
19°
30
34°
13°
31
36°
15°
1
33°
16°
2
34°
21°
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 33° to 51°, with overnight lows between 12° and 34°. The average high for December is 40° 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 Somerset. See also: January | February | March.
