24.12
wed
wed
Day

52°F
N 24 mph
Precip.
100%
100%
Night

55°F
N 16 mph
Precip.
100%
100%
25.12
thu
thu
Day

55°F
SW 10 mph
Precip.
0%
0%
Night

50°F
SW 9 mph
Precip.
0%
0%
26.12
fri
fri
Day

55°F
SW 10 mph
Precip.
0%
0%
Night

50°F
SW 10 mph
Precip.
0%
0%
27.12
sat
sat
Day

54°F
SW 8 mph
Precip.
0%
0%
Night

48°F
SW 6 mph
Precip.
0%
0%
28.12
sun
sun
Day

50°F
S 3 mph
Precip.
0%
0%
Night

45°F
SW 15 mph
Precip.
0%
0%
29.12
mon
mon
Day

46°F
SW 8 mph
Precip.
0%
0%
Night

43°F
SW 7 mph
Precip.
0%
0%
30.12
tue
tue
Day

48°F
NE 2 mph
Precip.
0%
0%
Night

54°F
NE 17 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 62.3°F. The highest and lowest sea temperatures during the month were 63.3°F and 61.5°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: 13:55
December 24, wednesday
1500

52°F
N
28 mph
28 mph
1800

54°F
NW
17 mph
17 mph
2100

55°F
N
16 mph
16 mph
December 25, thursday
0000

55°F
N
16 mph
16 mph
0300

55°F
NW
13 mph
13 mph
0600

52°F
W
11 mph
11 mph
0900

52°F
SW
9 mph
9 mph
1200

55°F
SW
10 mph
10 mph





























