S
M
T
W
T
F
S
27
38°
27°
28
39°
31°
29
40°
35°
30
41°
28°
31
42°
26°
1
36°
32°
2
37°
36°
3
43°
32°
4
44°
28°
5
38°
31°
6
36°
30°
7
35°
26°
8
35°
23°
9
36°
29°
10
35°
26°
11
35°
24°
12
36°
25°
13
35°
33°
14
37°
34°
15
43°
33°
16
40°
33°
17
41°
30°
18
39°
31°
19
36°
33°
20
42°
30°
21
41°
33°
22
40°
35°
23
43°
35°
24
44°
34°
25
44°
35°
26
43°
35°
27
44°
30°
28
43°
25°
29
42°
26°
30
35°
30°
31
39°
32°
1
38°
29°
2
39°
35°
3
38°
23°
4
46°
36°
5
46°
36°
6
Hist. Avg.
38°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Langen
Langen's January 2027 forecast shows daily high temperatures ranging from 35° to 46°, with overnight lows between 23° and 36°. The average high for January is 40° 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 January weather will actually feel in Langen. See also: February | March | April.