S
M
T
W
T
F
S
29
54°
44°
30
62°
44°
1
61°
46°
2
64°
43°
3
56°
40°
4
55°
37°
5
60°
40°
6
61°
40°
7
51°
37°
8
49°
36°
9
49°
35°
10
50°
31°
11
48°
30°
12
48°
30°
13
53°
29°
14
51°
28°
15
50°
34°
16
49°
38°
17
56°
41°
18
59°
37°
19
58°
27°
20
51°
25°
21
47°
25°
22
46°
28°
23
48°
31°
24
47°
27°
25
47°
25°
26
46°
27°
27
47°
26°
28
48°
26°
29
49°
31°
30
52°
33°
31
58°
27°
1
50°
23°
2
46°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in McDonough
McDonough's December 2026 forecast shows daily high temperatures ranging from 46° to 64°, with overnight lows between 22° and 46°. The average high for December is 52° with an average low of 33°. 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 McDonough. See also: January | February | March.
