18.05
mon
mon
Day
66°F
E 7 mph
Precip.
0%
0%
Night
61°F
E 6 mph
Precip.
0%
0%
19.05
tue
tue
Day
66°F
E 9 mph
Precip.
0%
0%
Night
64°F
E 2 mph
Precip.
0%
0%
20.05
wed
wed
Day
70°F
NE 6 mph
Precip.
0%
0%
Night
66°F
S 4 mph
Precip.
0%
0%
21.05
thu
thu
Day
75°F
SW 12 mph
Precip.
0%
0%
Night
68°F
S 7 mph
Precip.
0%
0%
22.05
fri
fri
Day
77°F
SW 12 mph
Precip.
0%
0%
Night
70°F
S 6 mph
Precip.
0%
0%
23.05
sat
sat
Day
77°F
NW 7 mph
Precip.
0%
0%
Night
70°F
E 6 mph
Precip.
0%
0%
24.05
sun
sun
Day
75°F
NE 6 mph
Precip.
0%
0%
Night
70°F
SE 4 mph
Precip.
0%
0%
25.05
mon
mon
Day
73°F
NE 7 mph
Precip.
0%
0%
Night
68°F
N 3 mph
Precip.
0%
0%
26.05
tue
tue
Day
72°F
N 9 mph
Precip.
0%
0%
Night
68°F
NW 4 mph
Precip.
0%
0%
27.05
wed
wed
Day
73°F
N 8 mph
Precip.
0%
0%
Night
68°F
NW 6 mph
Precip.
100%
100%
28.05
thu
thu
Day
70°F
SW 11 mph
Precip.
0%
0%
Night
68°F
NE 6 mph
Precip.
0%
0%
29.05
fri
fri
Day
77°F
E 6 mph
Precip.
0%
0%
Night
72°F
NE 6 mph
Precip.
0%
0%
30.05
sat
sat
Day
75°F
NE 6 mph
Precip.
0%
0%
Night
73°F
E 5 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 65.2°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.7°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 68.5°F.
Air temperature in Naples, °F
Precipitation total in Naples, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Naples
Naples on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Naples
Local time: 00:21
May 18, monday
0300
61°F
S
3 mph
3 mph
0600
59°F
S
1 mph
1 mph
0900
64°F
NE
2 mph
2 mph
1200
66°F
E
7 mph
7 mph
1500
66°F
E
11 mph
11 mph
1800
64°F
E
11 mph
11 mph
2100
63°F
E
9 mph
9 mph
May 19, tuesday
0000
61°F
E
6 mph
6 mph
