S
M
T
W
T
F
S
28
43°
27°
29
37°
21°
30
39°
27°
31
37°
19°
1
36°
32°
2
41°
32°
3
32°
25°
4
36°
23°
5
27°
18°
6
28°
23°
7
30°
12°
8
39°
30°
9
48°
39°
10
39°
28°
11
32°
21°
12
46°
32°
13
50°
43°
14
54°
43°
15
55°
41°
16
57°
36°
17
43°
32°
18
41°
30°
19
36°
34°
20
36°
27°
21
32°
27°
22
36°
25°
23
37°
30°
24
39°
25°
25
34°
25°
26
43°
30°
27
46°
32°
28
41°
36°
29
37°
36°
30
39°
32°
31
46°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Mannheim
Mannheim's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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 Mannheim. See also: February | March | April.
