S
M
T
W
T
F
S
29
60°
48°
30
67°
48°
1
66°
47°
2
67°
45°
3
56°
40°
4
57°
39°
5
63°
46°
6
65°
42°
7
55°
39°
8
53°
39°
9
53°
41°
10
54°
35°
11
53°
33°
12
53°
33°
13
57°
35°
14
56°
33°
15
56°
44°
16
55°
39°
17
62°
44°
18
63°
37°
19
61°
31°
20
53°
28°
21
50°
28°
22
51°
33°
23
52°
32°
24
53°
30°
25
51°
28°
26
51°
30°
27
52°
29°
28
53°
29°
29
54°
37°
30
58°
34°
31
63°
29°
1
53°
27°
2
50°
26°
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 50° to 67°, with overnight lows between 26° and 48°. The average high for December is 56° with an average low of 36°. 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.
