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
68°
55°
5
62°
51°
6
55°
45°
7
58°
45°
8
67°
51°
9
72°
59°
10
71°
57°
11
70°
55°
12
69°
54°
13
62°
47°
14
60°
47°
15
61°
48°
16
62°
49°
17
68°
53°
18
68°
50°
19
62°
47°
20
61°
47°
21
61°
48°
22
62°
46°
23
62°
47°
24
63°
49°
25
66°
50°
26
71°
55°
27
72°
56°
28
68°
54°
29
67°
49°
30
69°
52°
31
73°
57°
1
73°
56°
2
72°
55°
3
72°
52°
4
71°
56°
5
73°
57°
6
73°
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 55° to 73°, with overnight lows between 45° and 59°. The average high for May is 67° 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.