S
M
T
W
T
F
S
26
54°
40°
27
48°
39°
28
53°
35°
29
59°
36°
30
59°
37°
1
65°
29°
2
70°
35°
3
75°
38°
4
70°
47°
5
54°
41°
6
55°
36°
7
66°
35°
8
78°
40°
9
79°
43°
10
73°
41°
11
86°
41°
12
89°
47°
13
88°
52°
14
81°
47°
15
82°
39°
16
79°
50°
17
56°
39°
18
47°
31°
19
58°
33°
20
66°
39°
21
68°
42°
22
73°
44°
23
79°
48°
24
86°
50°
25
85°
51°
26
83°
52°
27
80°
50°
28
81°
50°
29
85°
51°
30
90°
54°
31
71°
43°
1
75°
48°
2
78°
47°
3
75°
46°
4
80°
51°
5
83°
53°
6
82°
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 47° to 90°, with overnight lows between 31° and 54°. The average high for May is 75° with an average low of 46°. 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.
