S
M
T
W
T
F
S
26
64°
54°
27
64°
55°
28
65°
54°
29
67°
56°
30
66°
55°
1
67°
55°
2
68°
58°
3
67°
59°
4
68°
56°
5
69°
60°
6
71°
60°
7
69°
58°
8
68°
58°
9
68°
60°
10
69°
58°
11
68°
59°
12
69°
58°
13
69°
59°
14
70°
58°
15
72°
60°
16
73°
62°
17
74°
62°
18
74°
63°
19
75°
63°
20
76°
64°
21
76°
64°
22
75°
63°
23
75°
65°
24
77°
65°
25
76°
64°
26
77°
65°
27
75°
64°
28
76°
66°
29
78°
66°
30
79°
65°
31
76°
64°
1
75°
64°
2
75°
63°
3
76°
66°
4
76°
67°
5
78°
67°
6
78°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Palermo
Palermo's May 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 54° and 67°. The average high for May is 72° with an average low of 61°. 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 Palermo. See also: June | July | August.
