21.12
sun
sun
Day
59°F
W 6 mph
Precip.
0%
0%
Night
54°F
SW 6 mph
Precip.
0%
0%
22.12
mon
mon
Day
57°F
W 7 mph
Precip.
0%
0%
Night
55°F
W 12 mph
Precip.
0%
0%
23.12
tue
tue
Day
55°F
W 13 mph
Precip.
100%
100%
Night
54°F
NE 1 mph
Precip.
100%
100%
24.12
wed
wed
Day
55°F
NW 3 mph
Precip.
0%
0%
Night
52°F
NW 6 mph
Precip.
100%
100%
25.12
thu
thu
Day
55°F
W 9 mph
Precip.
79%
79%
Night
52°F
SW 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
54°F
SW 6 mph
Precip.
0%
0%
Night
52°F
S 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
54°F
SW 2 mph
Precip.
0%
0%
Night
45°F
SW 9 mph
Precip.
0%
0%
28.12
sun
sun
Day
50°F
SE 6 mph
Precip.
0%
0%
Night
41°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
46°F
N 2 mph
Precip.
0%
0%
Night
45°F
S 5 mph
Precip.
0%
0%
30.12
tue
tue
Day
50°F
SE 3 mph
Precip.
0%
0%
Night
50°F
W 7 mph
Precip.
0%
0%
31.12
wed
wed
Day
52°F
W 9 mph
Precip.
0%
0%
Night
50°F
W 8 mph
Precip.
0%
0%
01.01
thu
thu
Day
45°F
SW 7 mph
Precip.
0%
0%
Night
37°F
SW 6 mph
Precip.
0%
0%
02.01
fri
fri
Day
45°F
N 2 mph
Precip.
0%
0%
Night
43°F
SW 5 mph
Precip.
0%
0%
03.01
sat
sat
Day
45°F
W 8 mph
Precip.
100%
100%
Night
48°F
SW 3 mph
Precip.
80%
80%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 63.0°F and 59.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 59.2°F. The highest and lowest sea temperatures during the month were 60.6°F and 57.4°F.
Air temperature in Formia, °F
Precipitation total in Formia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Formia
Formia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Formia
Local time: 09:47
December 21, sunday
1200
59°F
W
6 mph
6 mph
1500
59°F
NW
6 mph
6 mph
1800
55°F
W
6 mph
6 mph
2100
55°F
W
8 mph
8 mph
December 22, monday
0000
54°F
SW
6 mph
6 mph
0300
54°F
SW
6 mph
6 mph
0600
52°F
SW
6 mph
6 mph
0900
54°F
W
6 mph
6 mph
