S
M
T
W
T
F
S
26
55°
37°
27
59°
36°
28
57°
39°
29
55°
36°
30
59°
37°
1
70°
37°
2
77°
45°
3
75°
50°
4
70°
54°
5
64°
54°
6
64°
52°
7
54°
45°
8
50°
45°
9
61°
45°
10
68°
43°
11
59°
41°
12
48°
37°
13
54°
43°
14
54°
37°
15
52°
34°
16
54°
36°
17
61°
39°
18
66°
43°
19
63°
41°
20
63°
52°
21
66°
52°
22
73°
50°
23
79°
54°
24
79°
55°
25
N/A
26
88°
54°
27
82°
46°
28
76°
43°
29
82°
52°
30
81°
54°
31
78°
53°
1
73°
53°
2
77°
53°
3
71°
49°
4
68°
49°
5
68°
48°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Ilmenau
Ilmenau's May 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 43° and 54°. The average high for May is 76° with an average low of 50°. 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 Ilmenau. See also: June | July | August.
