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