S
M
T
W
T
F
S
26
54°
34°
27
54°
35°
28
55°
38°
29
55°
34°
30
54°
35°
1
56°
36°
2
56°
35°
3
57°
34°
4
62°
44°
5
68°
38°
6
59°
35°
7
62°
45°
8
70°
46°
9
71°
46°
10
70°
40°
11
59°
39°
12
60°
40°
13
61°
45°
14
61°
42°
15
62°
46°
16
62°
47°
17
64°
48°
18
68°
42°
19
70°
39°
20
65°
40°
21
66°
41°
22
64°
40°
23
65°
39°
24
65°
42°
25
67°
47°
26
68°
47°
27
72°
41°
28
67°
43°
29
68°
52°
30
71°
43°
31
70°
45°
1
67°
51°
2
70°
45°
3
70°
46°
4
71°
55°
5
75°
46°
6
72°
48°
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 54° to 75°, with overnight lows between 34° and 55°. The average high for May is 64° with an average low of 42°. 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.
