S
M
T
W
T
F
S
30
42°
26°
1
34°
26°
2
30°
25°
3
27°
24°
4
31°
24°
5
31°
22°
6
35°
25°
7
45°
28°
8
33°
21°
9
42°
17°
10
44°
31°
11
31°
27°
12
35°
28°
13
33°
15°
14
15°
0°
15
26°
-3°
16
41°
19°
17
54°
40°
18
55°
38°
19
44°
24°
20
52°
23°
21
41°
26°
22
48°
26°
23
62°
48°
24
55°
40°
25
59°
46°
26
63°
46°
27
51°
45°
28
70°
50°
29
49°
19°
30
28°
17°
31
36°
26°
1
35°
25°
2
35°
25°
3
32°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ft Mitchell
Ft Mitchell's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Ft Mitchell. See also: January | February | March.