S
M
T
W
T
F
S
26
54°
39°
27
63°
33°
28
57°
35°
29
56°
32°
30
64°
35°
1
74°
42°
2
78°
44°
3
83°
54°
4
73°
54°
5
58°
52°
6
53°
44°
7
47°
44°
8
56°
42°
9
63°
39°
10
68°
43°
11
66°
48°
12
55°
43°
13
54°
41°
14
57°
41°
15
58°
43°
16
61°
42°
17
64°
41°
18
62°
46°
19
69°
41°
20
73°
49°
21
70°
52°
22
72°
51°
23
78°
53°
24
82°
57°
25
79°
53°
26
84°
60°
27
70°
52°
28
70°
50°
29
77°
47°
30
71°
59°
31
68°
54°
1
70°
52°
2
77°
51°
3
N/A
4
77°
58°
5
67°
50°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Frankfurt
Frankfurt's May 2026 forecast shows daily high temperatures ranging from 67° to 77°, with overnight lows between 50° and 58°. The average high for May is 73° with an average low of 55°. 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 Frankfurt. See also: June | July | August.
