S
M
T
W
T
F
S
26
53°
36°
27
53°
36°
28
56°
35°
29
54°
32°
30
56°
40°
1
55°
37°
2
57°
35°
3
63°
42°
4
67°
43°
5
66°
42°
6
58°
42°
7
68°
45°
8
70°
45°
9
70°
43°
10
60°
41°
11
60°
42°
12
61°
42°
13
61°
43°
14
63°
45°
15
67°
46°
16
69°
47°
17
72°
48°
18
68°
37°
19
63°
37°
20
62°
38°
21
64°
37°
22
64°
36°
23
65°
39°
24
66°
44°
25
68°
46°
26
72°
41°
27
68°
41°
28
67°
45°
29
66°
45°
30
74°
43°
31
68°
44°
1
70°
43°
2
71°
48°
3
72°
53°
4
78°
44°
5
73°
45°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mio
Mio's May 2026 forecast shows daily high temperatures ranging from 53° to 78°, with overnight lows between 32° and 53°. The average high for May is 65° 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 Mio. See also: June | July | August.