S
M
T
W
T
F
S
29
56°
36°
30
54°
32°
1
58°
33°
2
56°
32°
3
58°
31°
4
54°
31°
5
55°
35°
6
61°
46°
7
65°
42°
8
68°
34°
9
67°
33°
10
57°
32°
11
58°
35°
12
59°
39°
13
58°
39°
14
54°
31°
15
56°
30°
16
53°
30°
17
53°
31°
18
54°
37°
19
55°
41°
20
54°
45°
21
64°
44°
22
67°
41°
23
65°
42°
24
67°
39°
25
67°
39°
26
64°
40°
27
61°
32°
28
62°
31°
29
54°
29°
30
58°
24°
31
58°
23°
1
47°
25°
2
52°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Aiken
Aiken's December 2026 forecast shows daily high temperatures ranging from 47° to 68°, with overnight lows between 23° and 46°. The average high for December is 59° 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 Aiken. See also: January | February | March.
