S
M
T
W
T
F
S
29
45°
37°
30
46°
31°
1
44°
31°
2
41°
32°
3
38°
37°
4
43°
38°
5
47°
37°
6
46°
34°
7
42°
35°
8
39°
36°
9
42°
37°
10
44°
37°
11
42°
36°
12
44°
35°
13
46°
36°
14
48°
37°
15
45°
36°
16
45°
39°
17
46°
37°
18
46°
37°
19
45°
36°
20
45°
36°
21
44°
34°
22
44°
35°
23
42°
35°
24
42°
31°
25
41°
28°
26
37°
27°
27
36°
26°
28
37°
25°
29
36°
24°
30
37°
26°
31
36°
27°
1
36°
28°
2
37°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Neumünster
Neumünster's December 2026 forecast shows daily high temperatures ranging from 36° to 48°, with overnight lows between 24° and 39°. The average high for December is 42° 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 Neumünster. See also: January | February | March.
