S
M
T
W
T
F
S
27
45°
33°
28
45°
32°
29
44°
31°
30
43°
35°
31
42°
39°
1
45°
38°
2
45°
35°
3
44°
33°
4
44°
32°
5
39°
35°
6
44°
39°
7
46°
37°
8
45°
36°
9
44°
33°
10
42°
34°
11
40°
35°
12
43°
34°
13
41°
28°
14
38°
28°
15
38°
26°
16
36°
24°
17
36°
27°
18
37°
33°
19
42°
30°
20
44°
30°
21
40°
32°
22
39°
33°
23
43°
33°
24
46°
38°
25
43°
35°
26
45°
37°
27
43°
36°
28
44°
37°
29
46°
36°
30
46°
34°
31
Hist. Avg.
39°
32°
1
Hist. Avg.
39°
32°
2
Hist. Avg.
39°
32°
3
Hist. Avg.
39°
32°
4
Hist. Avg.
39°
32°
5
Hist. Avg.
39°
32°
6
Hist. Avg.
40°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Aachen
Aachen's January 2027 forecast shows daily high temperatures ranging from 36° to 46°, with overnight lows between 24° and 39°. The average high for January is 42° with an average low of 33°. 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 Aachen. See also: February | March | April.
