S
M
T
W
T
F
S
29
40°
31°
30
39°
30°
1
40°
30°
2
39°
31°
3
41°
32°
4
41°
34°
5
42°
35°
6
39°
35°
7
41°
38°
8
44°
39°
9
43°
36°
10
42°
33°
11
43°
32°
12
42°
33°
13
38°
30°
14
35°
30°
15
35°
29°
16
34°
28°
17
34°
28°
18
35°
29°
19
35°
31°
20
37°
34°
21
42°
37°
22
44°
38°
23
45°
38°
24
43°
34°
25
35°
34°
26
37°
35°
27
40°
36°
28
39°
37°
29
43°
36°
30
43°
36°
31
42°
35°
1
39°
36°
2
40°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Neunkirchen
Neunkirchen's December 2026 forecast shows daily high temperatures ranging from 34° to 45°, with overnight lows between 28° and 39°. The average high for December is 40° with an average low of 34°. 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 Neunkirchen. See also: January | February | March.
