S
M
T
W
T
F
S
29
42°
33°
30
44°
26°
1
38°
23°
2
37°
18°
3
38°
17°
4
28°
16°
5
29°
17°
6
28°
19°
7
30°
21°
8
32°
22°
9
33°
25°
10
32°
20°
11
30°
22°
12
29°
23°
13
28°
18°
14
28°
12°
15
25°
9°
16
23°
13°
17
23°
22°
18
36°
25°
19
36°
25°
20
38°
24°
21
35°
26°
22
36°
26°
23
37°
24°
24
36°
21°
25
31°
20°
26
31°
22°
27
33°
23°
28
34°
25°
29
36°
24°
30
37°
22°
31
36°
20°
1
34°
19°
2
27°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Manitowoc
Manitowoc's December 2026 forecast shows daily high temperatures ranging from 23° to 44°, with overnight lows between 9° and 33°. The average high for December is 33° with an average low of 21°. 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 Manitowoc. See also: January | February | March.
