S
M
T
W
T
F
S
29
38°
31°
30
41°
30°
1
41°
29°
2
39°
29°
3
42°
31°
4
42°
30°
5
40°
35°
6
40°
34°
7
42°
38°
8
43°
38°
9
41°
31°
10
42°
30°
11
40°
29°
12
42°
30°
13
36°
28°
14
35°
28°
15
35°
29°
16
36°
28°
17
35°
28°
18
35°
29°
19
36°
31°
20
37°
34°
21
43°
36°
22
45°
37°
23
44°
36°
24
45°
33°
25
36°
34°
26
36°
35°
27
40°
37°
28
41°
37°
29
43°
36°
30
43°
36°
31
42°
35°
1
41°
37°
2
43°
38°
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 35° to 45°, with overnight lows between 28° and 38°. The average high for December is 40° 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 Neunkirchen. See also: January | February | March.
