S
M
T
W
T
F
S
29
47°
28°
30
44°
28°
1
36°
27°
2
43°
27°
3
36°
28°
4
39°
28°
5
47°
27°
6
48°
27°
7
45°
26°
8
44°
25°
9
37°
24°
10
36°
25°
11
35°
10°
12
30°
10°
13
30°
18°
14
37°
21°
15
42°
22°
16
43°
21°
17
45°
20°
18
39°
22°
19
42°
22°
20
44°
18°
21
42°
23°
22
43°
14°
23
39°
8°
24
34°
8°
25
26°
17°
26
39°
21°
27
39°
23°
28
38°
22°
29
43°
23°
30
40°
22°
31
39°
12°
1
36°
5°
2
34°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mullen
Mullen's December 2026 forecast shows daily high temperatures ranging from 26° to 48°, with overnight lows between 4° and 28°. The average high for December is 39° 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 Mullen. See also: January | February | March.
