18.12
thu
thu
Day
61°F
SW 2 mph
Precip.
0%
0%
Night
57°F
SW 4 mph
Precip.
0%
0%
19.12
fri
fri
Day
61°F
S 2 mph
Precip.
0%
0%
Night
55°F
SW 4 mph
Precip.
0%
0%
20.12
sat
sat
Day
59°F
SW 3 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
0%
0%
21.12
sun
sun
Day
59°F
SW 4 mph
Precip.
0%
0%
Night
55°F
NW 11 mph
Precip.
100%
100%
22.12
mon
mon
Day
55°F
NW 11 mph
Precip.
100%
100%
Night
57°F
NW 11 mph
Precip.
100%
100%
23.12
tue
tue
Day
57°F
N 13 mph
Precip.
100%
100%
Night
57°F
NE 13 mph
Precip.
100%
100%
24.12
wed
wed
Day
59°F
NE 11 mph
Precip.
100%
100%
Night
55°F
NW 6 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 64.6°F and 63.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 60.9°F. The highest and lowest sea temperatures during the month were 62.4°F and 58.8°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: 09:17
December 18, thursday
1200
61°F
SW
2 mph
2 mph
1500
63°F
N
1 mph
1 mph
1800
59°F
SW
1 mph
1 mph
2100
59°F
S
2 mph
2 mph
December 19, friday
0000
57°F
SW
4 mph
4 mph
0300
57°F
SW
2 mph
2 mph
0600
55°F
SW
4 mph
4 mph
0900
57°F
SW
2 mph
2 mph
