S
M
T
W
T
F
S
27
42°
33°
28
41°
32°
29
42°
34°
30
44°
34°
31
43°
33°
1
43°
29°
2
41°
27°
3
42°
30°
4
40°
30°
5
41°
33°
6
37°
31°
7
40°
35°
8
43°
36°
9
43°
35°
10
42°
35°
11
43°
36°
12
44°
35°
13
44°
30°
14
43°
31°
15
40°
30°
16
39°
30°
17
40°
31°
18
39°
28°
19
38°
25°
20
35°
26°
21
35°
23°
22
36°
32°
23
37°
31°
24
38°
31°
25
37°
30°
26
36°
26°
27
36°
25°
28
37°
26°
29
36°
28°
30
36°
26°
31
37°
23°
1
35°
28°
2
36°
34°
3
40°
35°
4
43°
34°
5
44°
30°
6
42°
29°
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 44°, with overnight lows between 23° and 36°. The average high for January is 40° with an average low of 30°. 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.