S
M
T
W
T
F
S
30
54°
45°
1
52°
36°
2
52°
39°
3
50°
39°
4
50°
41°
5
54°
52°
6
54°
50°
7
55°
50°
8
54°
52°
9
54°
48°
10
55°
53°
11
57°
54°
12
59°
45°
13
61°
43°
14
52°
50°
15
55°
52°
16
55°
54°
17
55°
46°
18
54°
43°
19
50°
43°
20
50°
43°
21
48°
41°
22
52°
43°
23
46°
43°
24
50°
43°
25
54°
43°
26
50°
37°
27
46°
36°
28
46°
34°
29
52°
41°
30
55°
41°
31
55°
39°
1
54°
41°
2
54°
50°
3
54°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mapleton
Mapleton'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 Mapleton. See also: January | February | March.