In May warmest sea in Lazio is usually observed in the following locations: Pescara, Silvi, Montesilvano.
Table below shows the average sea water temperature for marine resorts of Lazio in May for the last three years.
| Place name | May 2026 | May 2025 | May 2024 |
|---|---|---|---|
| Pescara | 66.2°F | 66.9°F | 65.9°F |
| Silvi | 66.1°F | 66.8°F | 65.7°F |
| Montesilvano | 66.1°F | 66.8°F | 65.7°F |
| Francavilla al Mare | 66.1°F | 66.6°F | 65.7°F |
| Roseto degli Abruzzi | 66.1°F | 66.8°F | 65.8°F |
| Porto Santo Stefano | 65.7°F | 66.6°F | 66.4°F |
| Fiuggi | 65.7°F | 66.8°F | 65.9°F |
| Ostia | 65.7°F | 66.7°F | 66.2°F |
| Fiumicino | 65.6°F | 66.7°F | 66.3°F |
| Rome | 65.6°F | 66.6°F | 66.1°F |
| Orbetello | 65.6°F | 66.5°F | 66.4°F |
| Santa Marinella | 65.3°F | 66.4°F | 66.0°F |
| Civitavecchia | 65.2°F | 66.2°F | 66.0°F |
| Marina di Grosseto | 65.0°F | 65.9°F | 66.1°F |
Charts below show average sea water temperature for Lazio resorts with the warmest sea in May.
You can also check other months of the year to see sea temperature of Lazio resorts at that time.
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