S
M
T
W
T
F
S
26
68°
39°
27
70°
50°
28
63°
50°
29
52°
36°
30
54°
32°
1
48°
34°
2
57°
30°
3
70°
45°
4
81°
41°
5
57°
41°
6
54°
30°
7
63°
32°
8
70°
32°
9
72°
39°
10
63°
32°
11
63°
37°
12
73°
39°
13
64°
39°
14
72°
34°
15
81°
52°
16
82°
59°
17
84°
63°
18
78°
66°
19
71°
47°
20
61°
41°
21
58°
46°
22
60°
50°
23
69°
50°
24
78°
55°
25
81°
56°
26
82°
55°
27
79°
57°
28
77°
56°
29
78°
53°
30
79°
56°
31
75°
52°
1
77°
58°
2
78°
57°
3
70°
53°
4
70°
52°
5
73°
58°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Avalon
Avalon's May 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 41° and 66°. The average high for May is 74° 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 Avalon. See also: June | July | August.