S
M
T
W
T
F
S
26
59°
44°
27
72°
38°
28
63°
43°
29
62°
49°
30
68°
48°
1
66°
42°
2
64°
48°
3
63°
44°
4
74°
47°
5
84°
57°
6
72°
60°
7
69°
52°
8
72°
44°
9
63°
50°
10
79°
52°
11
60°
44°
12
63°
45°
13
60°
50°
14
63°
51°
15
66°
50°
16
72°
55°
17
74°
56°
18
76°
60°
19
76°
57°
20
75°
57°
21
76°
58°
22
77°
55°
23
79°
60°
24
78°
59°
25
79°
60°
26
80°
61°
27
80°
62°
28
81°
62°
29
80°
61°
30
81°
63°
31
81°
62°
1
80°
59°
2
73°
56°
3
74°
57°
4
77°
63°
5
75°
62°
6
81°
63°
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 60° to 81°, with overnight lows between 44° and 63°. The average high for May is 74° with an average low of 57°. 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.