S
M
T
W
T
F
S
26
52°
45°
27
72°
48°
28
68°
52°
29
55°
45°
30
55°
43°
1
48°
41°
2
48°
39°
3
63°
39°
4
75°
52°
5
66°
48°
6
57°
45°
7
57°
43°
8
61°
48°
9
72°
54°
10
61°
48°
11
57°
43°
12
64°
43°
13
59°
46°
14
64°
46°
15
72°
41°
16
79°
54°
17
86°
64°
18
90°
68°
19
88°
68°
20
70°
50°
21
59°
48°
22
59°
54°
23
68°
57°
24
73°
55°
25
72°
57°
26
77°
54°
27
79°
57°
28
70°
46°
29
78°
53°
30
66°
46°
31
72°
48°
1
75°
52°
2
70°
52°
3
74°
54°
4
78°
60°
5
77°
59°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monroeville
Monroeville's May 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 46° and 60°. The average high for May is 74° with an average low of 53°. 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 Monroeville. See also: June | July | August.