S
M
T
W
T
F
S
29
38°
25°
30
37°
22°
1
37°
22°
2
38°
23°
3
37°
24°
4
41°
24°
5
40°
25°
6
39°
30°
7
36°
31°
8
36°
31°
9
37°
24°
10
34°
23°
11
47°
29°
12
43°
28°
13
43°
26°
14
46°
23°
15
38°
18°
16
34°
23°
17
34°
21°
18
36°
26°
19
41°
29°
20
43°
30°
21
44°
30°
22
45°
28°
23
44°
30°
24
45°
32°
25
48°
24°
26
48°
23°
27
43°
21°
28
36°
24°
29
36°
27°
30
43°
27°
31
43°
29°
1
45°
31°
2
46°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Normal Square
Normal Square's December 2026 forecast shows daily high temperatures ranging from 34° to 48°, with overnight lows between 18° and 32°. The average high for December is 41° 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 Normal Square. See also: January | February | March.
