31.12
wed
wed
Day

48°F
SW 11 mph
Precip.
0%
0%
Night

43°F
SW 7 mph
Precip.
0%
0%
01.01
thu
thu
Day

48°F
NW 7 mph
Precip.
0%
0%
Night

54°F
NE 9 mph
Precip.
100%
100%
02.01
fri
fri
Day

57°F
N 13 mph
Precip.
100%
100%
Night

59°F
N 17 mph
Precip.
88%
88%
03.01
sat
sat
Day

61°F
N 19 mph
Precip.
82%
82%
Night

59°F
NW 27 mph
Precip.
100%
100%
04.01
sun
sun
Day

61°F
N 24 mph
Precip.
100%
100%
Night

61°F
NW 24 mph
Precip.
47%
47%
05.01
mon
mon
Day

63°F
NW 22 mph
Precip.
25%
25%
Night

61°F
NW 21 mph
Precip.
100%
100%
06.01
tue
tue
Day

61°F
N 19 mph
Precip.
100%
100%
Night

55°F
NE 7 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 62.1°F. The highest and lowest sea temperatures during the month were 63.3°F and 60.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 59.8°F. The highest and lowest sea temperatures during the month were 61.0°F and 58.1°F.
Air temperature in Ostia, °F
Precipitation total in Ostia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ostia
Ostia on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Ostia
Local time: 00:20
December 31, wednesday
0300

48°F
SW
10 mph
10 mph
0600

45°F
SW
12 mph
12 mph
0900

46°F
SW
12 mph
12 mph
1200

48°F
SW
11 mph
11 mph
1500

48°F
SW
7 mph
7 mph
1800

48°F
SW
6 mph
6 mph
2100

45°F
SW
7 mph
7 mph
January 01, thursday
0000

43°F
SW
7 mph
7 mph



























