S
M
T
W
T
F
S
29
37°
26°
30
39°
27°
1
37°
27°
2
40°
26°
3
38°
28°
4
41°
27°
5
42°
27°
6
43°
26°
7
42°
25°
8
36°
25°
9
34°
24°
10
38°
25°
11
32°
15°
12
30°
12°
13
29°
17°
14
31°
20°
15
39°
21°
16
37°
22°
17
41°
23°
18
37°
21°
19
38°
20°
20
39°
22°
21
38°
21°
22
38°
19°
23
37°
11°
24
34°
9°
25
24°
17°
26
32°
19°
27
31°
22°
28
35°
15°
29
37°
20°
30
34°
19°
31
34°
18°
1
33°
5°
2
34°
3°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mitchell
Mitchell's December 2026 forecast shows daily high temperatures ranging from 24° to 43°, with overnight lows between 3° and 28°. The average high for December is 36° with an average low of 20°. 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 Mitchell. See also: January | February | March.