S
M
T
W
T
F
S
29
43°
31°
30
44°
30°
1
41°
29°
2
41°
29°
3
40°
28°
4
43°
28°
5
41°
27°
6
35°
24°
7
32°
18°
8
28°
17°
9
31°
20°
10
38°
26°
11
37°
25°
12
40°
24°
13
36°
25°
14
29°
24°
15
34°
21°
16
37°
22°
17
35°
23°
18
34°
20°
19
33°
18°
20
31°
10°
21
30°
15°
22
26°
16°
23
35°
21°
24
32°
19°
25
34°
9°
26
31°
13°
27
25°
13°
28
29°
9°
29
28°
14°
30
26°
16°
31
27°
8°
1
32°
5°
2
21°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Shullsburg
Shullsburg's December 2026 forecast shows daily high temperatures ranging from 21° to 44°, with overnight lows between 5° and 31°. The average high for December is 34° with an average low of 20°. 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 Shullsburg. See also: January | February | March.
