S
M
T
W
T
F
S
28
36°
23°
29
37°
23°
30
39°
28°
31
37°
30°
1
39°
36°
2
37°
32°
3
34°
32°
4
34°
28°
5
30°
27°
6
32°
28°
7
32°
27°
8
37°
30°
9
45°
36°
10
36°
19°
11
32°
16°
12
46°
32°
13
50°
46°
14
50°
43°
15
52°
46°
16
54°
48°
17
55°
39°
18
41°
30°
19
41°
28°
20
45°
30°
21
50°
34°
22
41°
27°
23
46°
32°
24
36°
28°
25
32°
25°
26
32°
28°
27
37°
32°
28
37°
32°
29
34°
30°
30
41°
30°
31
45°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Herdecke
Herdecke'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 Herdecke. See also: February | March | April.
