S
M
T
W
T
F
S
29
34°
30°
30
39°
30°
1
42°
29°
2
37°
28°
3
34°
28°
4
39°
29°
5
44°
22°
6
30°
20°
7
31°
24°
8
36°
30°
9
39°
30°
10
37°
29°
11
40°
30°
12
39°
28°
13
34°
23°
14
31°
20°
15
27°
19°
16
28°
23°
17
33°
26°
18
36°
28°
19
40°
27°
20
38°
27°
21
37°
26°
22
34°
24°
23
30°
24°
24
38°
23°
25
24°
9°
26
27°
8°
27
25°
10°
28
26°
23°
29
32°
21°
30
36°
17°
31
29°
10°
1
29°
14°
2
30°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Clinton
Clinton's December 2026 forecast shows daily high temperatures ranging from 24° to 44°, with overnight lows between 8° and 30°. The average high for December is 34° with an average low of 23°. 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 Clinton. See also: January | February | March.
