S
M
T
W
T
F
S
26
50°
34°
27
57°
37°
28
59°
36°
29
66°
36°
30
70°
36°
1
73°
39°
2
73°
41°
3
75°
39°
4
72°
43°
5
70°
43°
6
73°
45°
7
73°
45°
8
68°
46°
9
72°
45°
10
70°
45°
11
72°
46°
12
77°
39°
13
68°
48°
14
59°
46°
15
57°
41°
16
52°
39°
17
57°
37°
18
59°
37°
19
66°
43°
20
64°
43°
21
70°
36°
22
72°
43°
23
77°
45°
24
75°
54°
25
81°
50°
26
66°
53°
27
77°
57°
28
84°
57°
29
78°
51°
30
66°
45°
31
68°
41°
1
76°
49°
2
82°
52°
3
84°
54°
4
81°
53°
5
78°
50°
6
79°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Naples
Naples's May 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 41° and 57°. The average high for May is 77° with an average low of 51°. 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 Naples. See also: June | July | August.
