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