S
M
T
W
T
F
S
29
47°
34°
30
48°
34°
1
46°
32°
2
46°
31°
3
43°
31°
4
46°
30°
5
45°
31°
6
39°
28°
7
35°
23°
8
32°
20°
9
31°
23°
10
37°
26°
11
39°
29°
12
41°
27°
13
37°
27°
14
32°
22°
15
35°
22°
16
37°
26°
17
38°
25°
18
34°
20°
19
35°
16°
20
30°
13°
21
29°
14°
22
27°
19°
23
34°
22°
24
33°
20°
25
33°
10°
26
31°
8°
27
27°
7°
28
26°
8°
29
26°
12°
30
27°
18°
31
26°
13°
1
32°
8°
2
25°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mazon
Mazon's December 2026 forecast shows daily high temperatures ranging from 25° to 48°, with overnight lows between 6° and 34°. The average high for December is 35° with an average low of 21°. 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 Mazon. See also: January | February | March.
