S
M
T
W
T
F
S
29
54°
33°
30
54°
30°
1
53°
32°
2
55°
29°
3
53°
29°
4
50°
30°
5
54°
38°
6
58°
45°
7
62°
37°
8
64°
31°
9
56°
30°
10
55°
32°
11
56°
39°
12
56°
40°
13
54°
31°
14
53°
28°
15
48°
27°
16
48°
28°
17
51°
33°
18
54°
40°
19
54°
41°
20
57°
44°
21
62°
42°
22
62°
43°
23
61°
37°
24
64°
36°
25
58°
38°
26
59°
39°
27
60°
27°
28
57°
31°
29
48°
25°
30
48°
22°
31
47°
21°
1
42°
25°
2
46°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Highmound
Highmound's December 2026 forecast shows daily high temperatures ranging from 42° to 64°, with overnight lows between 21° and 45°. The average high for December is 55° 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 Highmound. See also: January | February | March.
