S
M
T
W
T
F
S
26
64°
39°
27
68°
43°
28
73°
52°
29
68°
48°
30
66°
41°
1
75°
45°
2
81°
48°
3
75°
46°
4
72°
46°
5
70°
57°
6
64°
52°
7
59°
45°
8
66°
47°
9
74°
52°
10
76°
54°
11
58°
43°
12
61°
43°
13
61°
49°
14
60°
45°
15
61°
46°
16
63°
47°
17
62°
48°
18
64°
49°
19
67°
50°
20
62°
46°
21
65°
50°
22
71°
50°
23
63°
51°
24
66°
55°
25
72°
56°
26
73°
56°
27
74°
55°
28
72°
56°
29
71°
56°
30
67°
55°
31
72°
57°
1
73°
57°
2
75°
56°
3
74°
57°
4
75°
58°
5
73°
58°
6
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Griesheim
Griesheim's May 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 43° and 58°. The average high for May is 68° 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 Griesheim. See also: June | July | August.