S
M
T
W
T
F
S
26
64°
39°
27
64°
37°
28
68°
46°
29
66°
45°
30
70°
41°
1
75°
52°
2
75°
55°
3
70°
55°
4
66°
55°
5
59°
52°
6
51°
45°
7
59°
44°
8
65°
47°
9
72°
52°
10
75°
53°
11
62°
43°
12
57°
44°
13
59°
46°
14
61°
49°
15
61°
48°
16
62°
49°
17
62°
49°
18
64°
51°
19
62°
47°
20
62°
47°
21
64°
54°
22
70°
50°
23
62°
47°
24
65°
51°
25
70°
55°
26
71°
56°
27
72°
57°
28
71°
55°
29
65°
52°
30
65°
56°
31
71°
56°
1
72°
57°
2
73°
58°
3
74°
57°
4
73°
58°
5
73°
58°
6
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Langenfeld
Langenfeld's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 43° and 58°. The average high for May is 66° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Langenfeld. See also: June | July | August.