In August 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 August for the last three years.
| Place name | August 2026 | August 2025 | August 2024 |
|---|---|---|---|
| Fiuggi | 84.6°F | 78.1°F | 81.9°F |
| Rome | 84.2°F | 77.8°F | 82.2°F |
| Ostia | 84.2°F | 77.9°F | 82.3°F |
| Fiumicino | 84.0°F | 77.6°F | 82.0°F |
| Santa Marinella | 83.3°F | 77.5°F | 81.9°F |
| Civitavecchia | 83.2°F | 77.6°F | 81.9°F |
| Porto Santo Stefano | 83.1°F | 77.9°F | 81.5°F |
| Orbetello | 83.0°F | 77.7°F | 81.4°F |
| Pescara | 82.7°F | 79.4°F | 83.4°F |
| Silvi | 82.7°F | 79.7°F | 83.4°F |
| Montesilvano | 82.7°F | 79.7°F | 83.4°F |
| Roseto degli Abruzzi | 82.7°F | 79.6°F | 83.5°F |
| Francavilla al Mare | 82.6°F | 79.3°F | 83.3°F |
| Marina di Grosseto | 82.0°F | 77.2°F | 80.4°F |
Charts below show average sea water temperature for Lazio resorts with the warmest sea in August.
You can also check other months of the year to see sea temperature of Lazio resorts at that time.
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