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