S
M
T
W
T
F
S
29
56°
42°
30
62°
43°
1
64°
42°
2
61°
39°
3
52°
35°
4
62°
25°
5
51°
28°
6
57°
39°
7
61°
40°
8
63°
34°
9
62°
29°
10
54°
31°
11
51°
26°
12
51°
29°
13
53°
37°
14
52°
40°
15
61°
38°
16
64°
33°
17
59°
37°
18
56°
32°
19
56°
25°
20
47°
24°
21
47°
28°
22
51°
35°
23
48°
34°
24
52°
30°
25
51°
27°
26
49°
26°
27
51°
31°
28
55°
34°
29
52°
27°
30
50°
30°
31
48°
27°
1
50°
25°
2
47°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Clayton
Clayton's December 2026 forecast shows daily high temperatures ranging from 47° to 64°, with overnight lows between 24° and 43°. The average high for December is 54° with an average low of 32°. 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 Clayton. See also: January | February | March.
