S
M
T
W
T
F
S
29
59°
47°
30
66°
47°
1
65°
46°
2
66°
44°
3
55°
39°
4
57°
38°
5
62°
45°
6
64°
41°
7
54°
38°
8
52°
38°
9
53°
40°
10
52°
34°
11
52°
31°
12
53°
32°
13
56°
32°
14
55°
32°
15
55°
42°
16
56°
38°
17
61°
43°
18
63°
36°
19
60°
29°
20
52°
26°
21
49°
27°
22
50°
32°
23
51°
31°
24
52°
29°
25
50°
27°
26
50°
29°
27
51°
28°
28
52°
28°
29
53°
37°
30
57°
33°
31
62°
28°
1
52°
26°
2
49°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cecil
Cecil's December 2026 forecast shows daily high temperatures ranging from 49° to 66°, with overnight lows between 25° and 47°. The average high for December is 56° with an average low of 35°. 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 Cecil. See also: January | February | March.