S
M
T
W
T
F
S
29
58°
39°
30
58°
37°
1
57°
30°
2
43°
26°
3
47°
34°
4
56°
38°
5
53°
36°
6
43°
31°
7
42°
25°
8
41°
23°
9
41°
26°
10
46°
30°
11
47°
29°
12
53°
30°
13
49°
30°
14
44°
26°
15
46°
27°
16
45°
30°
17
43°
26°
18
42°
22°
19
43°
21°
20
40°
19°
21
38°
23°
22
41°
28°
23
44°
25°
24
41°
22°
25
40°
20°
26
39°
23°
27
40°
21°
28
40°
20°
29
39°
25°
30
39°
22°
31
40°
19°
1
39°
14°
2
37°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Vienna
Vienna's December 2026 forecast shows daily high temperatures ranging from 37° to 58°, with overnight lows between 14° and 39°. The average high for December is 44° 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 Vienna. See also: January | February | March.
