S
M
T
W
T
F
S
26
67°
29°
27
71°
37°
28
62°
37°
29
49°
34°
30
48°
33°
1
44°
30°
2
51°
18°
3
59°
24°
4
76°
30°
5
57°
37°
6
51°
28°
7
48°
28°
8
63°
21°
9
58°
37°
10
54°
24°
11
55°
25°
12
57°
21°
13
51°
39°
14
68°
34°
15
74°
33°
16
81°
54°
17
73°
43°
18
85°
48°
19
79°
47°
20
58°
31°
21
58°
32°
22
58°
45°
23
56°
46°
24
69°
49°
25
75°
49°
26
79°
50°
27
79°
52°
28
82°
54°
29
78°
53°
30
77°
53°
31
77°
52°
1
78°
51°
2
80°
48°
3
74°
54°
4
75°
55°
5
76°
52°
6
68°
49°
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 56° to 82°, with overnight lows between 31° and 55°. The average high for May is 72° with an average low of 49°. 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.