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