In October warmest sea in Lazio is usually observed in the following locations: Fiuggi, Rome, Ostia.
Table below shows the average sea water temperature for marine resorts of Lazio in October for the last three years.
| Place name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Fiuggi | 71.3°F | 71.5°F | 74.7°F |
| Rome | 69.8°F | 71.1°F | 74.4°F |
| Ostia | 69.6°F | 71.0°F | 74.3°F |
| Fiumicino | 69.2°F | 70.7°F | 74.0°F |
| Santa Marinella | 69.2°F | 70.6°F | 73.9°F |
| Civitavecchia | 69.2°F | 70.5°F | 73.9°F |
| Orbetello | 68.7°F | 70.6°F | 73.5°F |
| Porto Santo Stefano | 68.7°F | 70.7°F | 73.6°F |
| Marina di Grosseto | 68.6°F | 70.4°F | 73.0°F |
| Pescara | 67.7°F | 68.6°F | 71.4°F |
| Francavilla al Mare | 67.7°F | 68.6°F | 71.3°F |
| Silvi | 67.6°F | 68.5°F | 71.1°F |
| Montesilvano | 67.6°F | 68.5°F | 71.1°F |
| Roseto degli Abruzzi | 67.4°F | 68.3°F | 70.9°F |
Charts below show average sea water temperature for Lazio resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Lazio resorts at that time.
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