S
M
T
W
T
F
S
29
31°
7°
30
28°
2°
1
25°
1°
2
27°
4°
3
35°
5°
4
27°
4°
5
26°
3°
6
25°
0°
7
24°
-2°
8
25°
1°
9
34°
2°
10
36°
2°
11
36°
3°
12
37°
9°
13
37°
3°
14
28°
6°
15
27°
10°
16
27°
7°
17
26°
-2°
18
25°
5°
19
26°
2°
20
26°
10°
21
28°
7°
22
27°
-1°
23
26°
11°
24
27°
1°
25
27°
1°
26
28°
12°
27
36°
5°
28
31°
1°
29
26°
2°
30
26°
-3°
31
25°
-1°
1
26°
6°
2
33°
10°
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 24° to 37°, with overnight lows between -3° and 12°. The average high for December is 29° with an average low of 4°. 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.
