18.12
thu
thu
Day
63°F
NW 7 mph
Precip.
0%
0%
Night
57°F
W 7 mph
Precip.
0%
0%
19.12
fri
fri
Day
61°F
N 1 mph
Precip.
0%
0%
Night
55°F
SW 2 mph
Precip.
0%
0%
20.12
sat
sat
Day
61°F
NE 2 mph
Precip.
0%
0%
Night
54°F
W 4 mph
Precip.
0%
0%
21.12
sun
sun
Day
59°F
NW 7 mph
Precip.
0%
0%
Night
54°F
W 6 mph
Precip.
0%
0%
22.12
mon
mon
Day
57°F
NW 16 mph
Precip.
100%
100%
Night
55°F
N 8 mph
Precip.
100%
100%
23.12
tue
tue
Day
57°F
N 7 mph
Precip.
100%
100%
Night
55°F
E 7 mph
Precip.
100%
100%
24.12
wed
wed
Day
57°F
NW 12 mph
Precip.
0%
0%
Night
54°F
W 13 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 62.8°F. The highest and lowest sea temperatures during the month were 63.9°F and 62.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 60.3°F. The highest and lowest sea temperatures during the month were 61.9°F and 58.6°F.
Air temperature in Nettuno, °F
Precipitation total in Nettuno, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nettuno
Nettuno on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Nettuno
Local time: 20:52
December 18, thursday
2100
57°F
W
7 mph
7 mph
December 19, friday
0000
57°F
W
7 mph
7 mph
0300
57°F
W
6 mph
6 mph
0600
57°F
NW
6 mph
6 mph
0900
57°F
W
5 mph
5 mph
1200
61°F
N
1 mph
1 mph
1500
61°F
NE
2 mph
2 mph
1800
59°F
S
2 mph
2 mph
