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