S
M
T
W
T
F
S
26
41°
20°
27
40°
18°
28
43°
21°
29
44°
22°
30
44°
26°
1
45°
25°
2
46°
26°
3
47°
25°
4
48°
30°
5
49°
26°
6
48°
25°
7
50°
28°
8
50°
30°
9
51°
29°
10
51°
32°
11
52°
30°
12
52°
29°
13
53°
30°
14
53°
31°
15
54°
30°
16
54°
32°
17
55°
32°
18
61°
38°
19
57°
38°
20
59°
36°
21
60°
41°
22
66°
42°
23
65°
41°
24
67°
42°
25
67°
38°
26
64°
38°
27
59°
36°
28
59°
35°
29
60°
37°
30
61°
38°
31
62°
41°
1
65°
46°
2
70°
46°
3
71°
41°
4
70°
46°
5
72°
48°
6
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mayo
Mayo's May 2026 forecast shows daily high temperatures ranging from 40° to 73°, with overnight lows between 18° and 50°. The average high for May is 56° with an average low of 34°. 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 Mayo. See also: June | July | August.
