World Resorts Italy Ostia Weather

Ostia Sea Temperature in October

Average sea water temperature in October:
+71.5°F
Minimum sea water temperature in October: 75.9°F
Maximum sea water temperature in October: 66.9°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 69.6°F. The highest and lowest sea temperatures during the month were 74.5°F and 66.9°F.

Monthly sea water temperature in Ostia, °F

Which Italy resorts have warmest sea in October?

Place name October 2025 October 2024
Lampedusa 76.1°F 77.4°F
Sirakuzy 74.0°F 74.7°F
Villasimus 74.0°F 71.8°F
Taormina 74.0°F 74.7°F
Giardini Naxos 73.9°F 74.7°F
Letojanni 73.9°F 74.7°F
Catania 73.8°F 74.4°F
Mondello 73.7°F 74.4°F
Cefalu 73.3°F 74.1°F
Marina di Ragusa 73.3°F 72.7°F
Palermo 73.3°F 73.8°F
Cagliari 73.2°F 70.5°F
Sicily 73.2°F 73.9°F
Catanzaro 73.1°F 74.8°F
San Vito Lo Capo 73.0°F 73.2°F
Reggio di Calabria 72.8°F 73.8°F
Messina 72.7°F 73.6°F
Capo Vaticano 72.1°F 74.0°F
Tropea 72.0°F 74.0°F
Alghero 71.9°F 69.5°F

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 57.4 °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
+57°F
NW 22 mph
Feels like: +54°F
Precip.: 100%
Places in Italy:
Name
°F
+59°F
+59°F
+50°F
+45°F
+57°F
+57°F
+59°F
+55°F
+55°F
+50°F
+54°F
+50°F
+57°F
+48°F
24 Hours Forecast
Ostia
Local time: 15:10
December 16, tuesday
1800
55°F
NW
19 mph
2100
57°F
NW
18 mph
December 17, wednesday
0000
55°F
NW
24 mph
0300
57°F
NW
18 mph
0600
55°F
NW
17 mph
0900
57°F
NW
16 mph
1200
61°F
NW
16 mph
1500
63°F
NW
18 mph
Units of measurement: °C / °F