S
M
T
W
T
F
S
26
69°
52°
27
70°
51°
28
70°
54°
29
71°
55°
30
71°
54°
1
72°
55°
2
72°
55°
3
71°
56°
4
72°
56°
5
73°
55°
6
72°
55°
7
73°
56°
8
74°
57°
9
73°
56°
10
75°
58°
11
76°
58°
12
75°
57°
13
76°
59°
14
75°
58°
15
74°
57°
16
75°
58°
17
76°
57°
18
71°
56°
19
74°
58°
20
77°
59°
21
71°
57°
22
77°
61°
23
78°
60°
24
76°
57°
25
76°
57°
26
74°
55°
27
74°
60°
28
77°
61°
29
77°
62°
30
79°
62°
31
80°
63°
1
81°
63°
2
81°
60°
3
80°
59°
4
76°
61°
5
77°
60°
6
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Napoli
Napoli's May 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 51° and 63°. The average high for May is 75° with an average low of 58°. 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 Napoli. See also: June | July | August.
