S
M
T
W
T
F
S
26
60°
43°
27
73°
41°
28
70°
50°
29
64°
47°
30
51°
42°
1
54°
33°
2
48°
33°
3
55°
44°
4
67°
54°
5
72°
55°
6
61°
46°
7
51°
39°
8
55°
43°
9
60°
45°
10
64°
48°
11
64°
51°
12
68°
52°
13
67°
50°
14
66°
51°
15
71°
54°
16
66°
52°
17
67°
53°
18
71°
57°
19
73°
57°
20
74°
56°
21
77°
58°
22
76°
58°
23
77°
57°
24
75°
55°
25
70°
52°
26
75°
59°
27
78°
59°
28
76°
58°
29
75°
58°
30
73°
56°
31
75°
58°
1
72°
57°
2
72°
56°
3
73°
52°
4
71°
51°
5
72°
52°
6
72°
53°
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 48° to 78°, with overnight lows between 33° and 59°. The average high for May is 68° with an average low of 52°. 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.