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