S
M
T
W
T
F
S
26
50°
37°
27
45°
41°
28
52°
34°
29
52°
28°
30
50°
30°
1
51°
30°
2
64°
40°
3
65°
48°
4
59°
30°
5
47°
33°
6
49°
32°
7
54°
34°
8
64°
38°
9
62°
39°
10
61°
42°
11
62°
43°
12
64°
41°
13
65°
46°
14
69°
45°
15
62°
44°
16
63°
46°
17
62°
50°
18
68°
51°
19
73°
51°
20
72°
52°
21
66°
45°
22
61°
43°
23
62°
43°
24
64°
44°
25
66°
46°
26
65°
48°
27
66°
48°
28
65°
45°
29
67°
50°
30
69°
46°
31
66°
49°
1
66°
50°
2
68°
49°
3
68°
53°
4
69°
52°
5
70°
48°
6
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Avon
Avon's May 2026 forecast shows daily high temperatures ranging from 47° to 73°, with overnight lows between 30° and 53°. The average high for May is 64° with an average low of 44°. 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 Avon. See also: June | July | August.