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