S
M
T
W
T
F
S
26
68°
30°
27
68°
32°
28
72°
39°
29
66°
41°
30
66°
37°
1
75°
32°
2
79°
37°
3
75°
48°
4
70°
43°
5
63°
48°
6
63°
48°
7
57°
39°
8
66°
36°
9
73°
37°
10
77°
43°
11
57°
43°
12
52°
36°
13
57°
46°
14
54°
43°
15
57°
39°
16
57°
34°
17
64°
32°
18
61°
45°
19
64°
39°
20
64°
55°
21
73°
52°
22
81°
46°
23
85°
54°
24
89°
58°
25
86°
55°
26
89°
56°
27
83°
48°
28
79°
49°
29
84°
53°
30
86°
56°
31
83°
58°
1
84°
58°
2
73°
53°
3
73°
53°
4
72°
54°
5
65°
51°
6
66°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sponheim
Sponheim's May 2026 forecast shows daily high temperatures ranging from 65° to 89°, with overnight lows between 48° and 58°. The average high for May is 80° with an average low of 54°. 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 Sponheim. See also: June | July | August.