S
M
T
W
T
F
S
27
40°
21°
28
40°
20°
29
39°
25°
30
39°
22°
31
40°
19°
1
39°
14°
2
37°
18°
3
36°
27°
4
39°
32°
5
42°
32°
6
46°
20°
7
46°
17°
8
38°
18°
9
35°
22°
10
39°
17°
11
38°
15°
12
35°
14°
13
32°
16°
14
37°
16°
15
34°
17°
16
37°
19°
17
40°
17°
18
36°
16°
19
34°
18°
20
35°
21°
21
40°
29°
22
40°
32°
23
42°
31°
24
45°
29°
25
42°
26°
26
41°
28°
27
42°
28°
28
43°
25°
29
40°
23°
30
39°
20°
31
36°
14°
1
47°
21°
2
42°
30°
3
Hist. Avg.
43°
23°
4
Hist. Avg.
43°
24°
5
Hist. Avg.
43°
24°
6
Hist. Avg.
43°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Vienna
Vienna's January 2027 forecast shows daily high temperatures ranging from 32° to 47°, with overnight lows between 14° and 32°. The average high for January is 39° with an average low of 22°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Vienna. See also: February | March | April.