S
M
T
W
T
F
S
29
73°
55°
30
77°
55°
1
78°
57°
2
78°
56°
3
79°
53°
4
78°
41°
5
71°
42°
6
65°
40°
7
63°
42°
8
64°
42°
9
67°
43°
10
70°
40°
11
64°
41°
12
64°
43°
13
66°
42°
14
66°
40°
15
65°
40°
16
63°
42°
17
64°
42°
18
65°
43°
19
67°
43°
20
68°
46°
21
71°
53°
22
74°
53°
23
76°
54°
24
73°
50°
25
72°
51°
26
74°
50°
27
72°
50°
28
71°
51°
29
74°
52°
30
74°
51°
31
75°
47°
1
74°
45°
2
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in McAlpin
McAlpin's December 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 40° and 57°. The average high for December is 70° with an average low of 47°. 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 McAlpin. See also: January | February | March.