In April warmest sea in Lazio is usually observed in the following locations: Fiuggi, Fiumicino, Ostia.
Table below shows the average sea water temperature for marine resorts of Lazio in April for the last three years.
| Place name | April 2026 | April 2025 | April 2024 |
|---|---|---|---|
| Fiuggi | 61.0°F | 61.4°F | 61.8°F |
| Fiumicino | 60.7°F | 61.1°F | 61.6°F |
| Ostia | 60.7°F | 61.2°F | 61.7°F |
| Rome | 60.6°F | 61.1°F | 61.6°F |
| Santa Marinella | 60.2°F | 60.9°F | 61.2°F |
| Porto Santo Stefano | 60.2°F | 60.9°F | 61.4°F |
| Civitavecchia | 60.1°F | 60.7°F | 61.2°F |
| Marina di Grosseto | 60.1°F | 60.7°F | 61.3°F |
| Orbetello | 60.0°F | 60.8°F | 61.4°F |
| Roseto degli Abruzzi | 56.5°F | 58.6°F | 60.5°F |
| Silvi | 56.3°F | 58.4°F | 60.3°F |
| Montesilvano | 56.3°F | 58.4°F | 60.3°F |
| Pescara | 56.1°F | 58.3°F | 60.3°F |
| Francavilla al Mare | 55.7°F | 58.0°F | 60.2°F |
Charts below show average sea water temperature for Lazio resorts with the warmest sea in April.
You can also check other months of the year to see sea temperature of Lazio resorts at that time.
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