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
Avola 74.5°F 74.7°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
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
Cala Gonone 72.3°F 71.2°F
Capo Vaticano 72.1°F 74.0°F
Tropea 72.0°F 74.0°F
Alghero 71.9°F 69.5°F
Trapani 71.9°F 72.4°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 79.4 °F
July 78.1 °F
September 76.1 °F
Coldest months:
January 54.7 °F
February 55.9 °F
December 57.3 °F
Rainiest months:
November 6 days
December 4 days
January 4 days
Windiest months:
February 9.8 mph
November 9.7 mph
January 9.7 mph

Ostia on a weather map

Ostia
+82°F
E 6 mph
Feels like: +90°F
Precip.: 10%
Places in Italy:
Name
°F
+82°F
+88°F
+68°F
+70°F
+66°F
+82°F
+82°F
+86°F
+81°F
+75°F
+86°F
+73°F
+82°F
+75°F
24 Hours Forecast
Ostia
Local time: 20:45
August 25, tuesday
2100
82°F
E
6 mph
August 26, wednesday
0000
81°F
NE
4 mph
0300
81°F
W
2 mph
0600
79°F
W
6 mph
0900
81°F
SW
7 mph
1200
84°F
E
7 mph
1500
84°F
N
12 mph
1800
84°F
E
9 mph
Units of measurement: °C / °F