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