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