S
M
T
W
T
F
S
29
47°
27°
30
48°
25°
1
44°
29°
2
46°
23°
3
43°
23°
4
41°
26°
5
45°
35°
6
50°
39°
7
56°
32°
8
59°
29°
9
55°
27°
10
41°
29°
11
47°
26°
12
49°
28°
13
44°
28°
14
41°
25°
15
39°
21°
16
38°
23°
17
38°
25°
18
40°
31°
19
41°
34°
20
48°
35°
21
54°
28°
22
55°
30°
23
42°
33°
24
53°
31°
25
54°
31°
26
49°
30°
27
45°
21°
28
47°
20°
29
36°
15°
30
36°
12°
31
35°
13°
1
30°
14°
2
33°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in McDermott
McDermott's December 2026 forecast shows daily high temperatures ranging from 30° to 59°, with overnight lows between 12° and 39°. The average high for December is 45° with an average low of 26°. 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 McDermott. See also: January | February | March.
