S
M
T
W
T
F
S
29
51°
40°
30
53°
34°
1
61°
29°
2
49°
26°
3
48°
23°
4
45°
28°
5
48°
35°
6
55°
39°
7
54°
38°
8
56°
37°
9
46°
28°
10
49°
38°
11
Hist. Avg.
53°
32°
12
Hist. Avg.
52°
31°
13
Hist. Avg.
52°
31°
14
Hist. Avg.
52°
31°
15
Hist. Avg.
52°
31°
16
Hist. Avg.
51°
30°
17
Hist. Avg.
51°
30°
18
Hist. Avg.
51°
30°
19
Hist. Avg.
51°
30°
20
Hist. Avg.
50°
30°
21
Hist. Avg.
50°
30°
22
Hist. Avg.
50°
30°
23
Hist. Avg.
50°
29°
24
Hist. Avg.
50°
29°
25
Hist. Avg.
50°
29°
26
Hist. Avg.
50°
29°
27
Hist. Avg.
49°
29°
28
Hist. Avg.
49°
29°
29
Hist. Avg.
49°
29°
30
Hist. Avg.
49°
28°
31
Hist. Avg.
49°
28°
1
Hist. Avg.
49°
28°
2
Hist. Avg.
49°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Mounds
Mounds's December 2026 forecast shows daily high temperatures ranging from 45° to 61°, with overnight lows between 23° and 40°. The average high for December is 51° 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 Mounds. See also: January | February | March.
