S
M
T
W
T
F
S
30
63°
42°
1
74°
42°
2
65°
40°
3
72°
48°
4
72°
43°
5
73°
40°
6
68°
40°
7
72°
42°
8
83°
44°
9
85°
47°
10
87°
49°
11
77°
47°
12
67°
45°
13
63°
51°
14
67°
48°
15
71°
41°
16
67°
43°
17
68°
52°
18
75°
46°
19
69°
42°
20
65°
47°
21
64°
52°
22
66°
45°
23
66°
55°
24
66°
58°
25
66°
56°
26
62°
46°
27
63°
41°
28
69°
40°
29
70°
59°
30
72°
65°
31
69°
54°
1
66°
52°
2
66°
48°
3
62°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Somis
Somis's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Somis. See also: January | February | March.