World Resorts Italy Ostia Weather

Ostia 7 Days Forecast

31.12
wed
Day
48°F
SW 11 mph
Precip.
0%
Night
43°F
SW 7 mph
Precip.
0%
01.01
thu
Day
48°F
NW 7 mph
Precip.
0%
Night
54°F
NE 9 mph
Precip.
100%
02.01
fri
Day
57°F
N 13 mph
Precip.
100%
Night
59°F
N 17 mph
Precip.
88%
03.01
sat
Day
61°F
N 19 mph
Precip.
82%
Night
59°F
NW 27 mph
Precip.
100%
04.01
sun
Day
61°F
N 24 mph
Precip.
100%
Night
61°F
NW 24 mph
Precip.
47%
05.01
mon
Day
63°F
NW 22 mph
Precip.
25%
Night
61°F
NW 21 mph
Precip.
100%
06.01
tue
Day
61°F
N 19 mph
Precip.
100%
Night
55°F
NE 7 mph
Precip.
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

Sunniest months:
July 29 days
August 28 days
June 26 days
Warmest months:
August 86.2 °F
July 85.5 °F
June 79.8 °F
Warmest sea temp:
August 79.1 °F
July 77.9 °F
September 76.1 °F
Coldest months:
January 54.7 °F
February 55.8 °F
December 57.3 °F
Rainiest months:
November 6 days
March 5 days
December 4 days
Windiest months:
February 9.8 mph
November 9.7 mph
January 9.7 mph

Ostia on a weather map

Ostia
+50°F
S 7 mph
Feels like: +48°F
Precip.: 0%
Places in Italy:
Name
°F
+46°F
+50°F
+39°F
+45°F
+50°F
+52°F
+50°F
+54°F
+46°F
+41°F
+43°F
+37°F
+52°F
+41°F
24 Hours Forecast
Ostia
Local time: 00:20
December 31, wednesday
0300
48°F
SW
10 mph
0600
45°F
SW
12 mph
0900
46°F
SW
12 mph
1200
48°F
SW
11 mph
1500
48°F
SW
7 mph
1800
48°F
SW
6 mph
2100
45°F
SW
7 mph
January 01, thursday
0000
43°F
SW
7 mph
Units of measurement: °C / °F