In July warmest sea in Lazio is usually observed in the following locations: Santa Marinella, Civitavecchia, Fiuggi.
Table below shows the average sea water temperature for marine resorts of Lazio in July for the last three years.
| Place name | July 2026 | July 2025 | July 2024 |
|---|---|---|---|
| Santa Marinella | 81.7°F | 78.4°F | 77.0°F |
| Civitavecchia | 81.6°F | 78.4°F | 77.1°F |
| Fiuggi | 81.6°F | 78.7°F | 77.0°F |
| Ostia | 81.6°F | 78.7°F | 77.9°F |
| Porto Santo Stefano | 81.6°F | 78.6°F | 77.3°F |
| Rome | 81.6°F | 78.7°F | 77.5°F |
| Fiumicino | 81.5°F | 78.8°F | 77.8°F |
| Orbetello | 81.4°F | 78.4°F | 76.9°F |
| Pescara | 81.4°F | 80.8°F | 82.1°F |
| Francavilla al Mare | 81.3°F | 80.7°F | 82.0°F |
| Silvi | 81.3°F | 80.8°F | 82.3°F |
| Montesilvano | 81.3°F | 80.8°F | 82.3°F |
| Roseto degli Abruzzi | 81.2°F | 80.7°F | 82.5°F |
| Marina di Grosseto | 80.8°F | 78.3°F | 75.4°F |
Charts below show average sea water temperature for Lazio resorts with the warmest sea in July.
You can also check other months of the year to see sea temperature of Lazio resorts at that time.
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