S
M
T
W
T
F
S
26
52°
39°
27
54°
37°
28
57°
35°
29
60°
33°
30
64°
36°
1
68°
46°
2
72°
37°
3
77°
37°
4
76°
43°
5
63°
50°
6
64°
43°
7
74°
50°
8
76°
43°
9
74°
49°
10
78°
41°
11
87°
42°
12
90°
52°
13
89°
51°
14
71°
43°
15
77°
42°
16
71°
44°
17
53°
44°
18
58°
42°
19
66°
32°
20
70°
38°
21
67°
52°
22
72°
40°
23
82°
41°
24
80°
52°
25
84°
58°
26
80°
49°
27
71°
49°
28
79°
45°
29
66°
43°
30
71°
44°
31
76°
46°
1
82°
47°
2
84°
54°
3
83°
53°
4
81°
54°
5
81°
54°
6
74°
45°
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 66° to 84°, with overnight lows between 43° and 58°. The average high for May is 78° 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 Avon. See also: June | July | August.