S
M
T
W
T
F
S
26
51°
31°
27
52°
33°
28
56°
33°
29
51°
34°
30
52°
36°
1
52°
34°
2
53°
33°
3
56°
37°
4
65°
44°
5
66°
35°
6
55°
35°
7
58°
42°
8
69°
48°
9
69°
43°
10
68°
37°
11
57°
37°
12
59°
42°
13
63°
45°
14
61°
45°
15
65°
47°
16
63°
49°
17
67°
49°
18
67°
42°
19
64°
40°
20
63°
40°
21
64°
42°
22
62°
40°
23
63°
38°
24
63°
41°
25
66°
44°
26
70°
46°
27
69°
41°
28
65°
42°
29
66°
50°
30
65°
43°
31
66°
46°
1
65°
45°
2
66°
48°
3
67°
44°
4
67°
54°
5
71°
50°
6
67°
51°
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 51° to 71°, with overnight lows between 31° and 54°. The average high for May is 62° with an average low of 42°. 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.
