In April warmest sea in Portugal is usually observed in the following locations: Madeira, Funchal, Canico.
Table below shows the average sea water temperature for marine resorts of Portugal in April for the last three years.
| Place name | April 2026 | April 2025 | April 2024 |
|---|---|---|---|
| Madeira | 64.1°F | 66.5°F | 67.3°F |
| Funchal | 64.1°F | 66.5°F | 67.3°F |
| Canico | 64.0°F | 66.4°F | 67.1°F |
| Porto Santo Island | 63.3°F | 65.3°F | 66.8°F |
| Faro | 61.9°F | 62.3°F | 62.8°F |
| Algarve | 61.9°F | 62.3°F | 62.8°F |
| Quarteira | 61.8°F | 62.0°F | 62.5°F |
| Tavira | 61.7°F | 62.3°F | 62.8°F |
| Albufeira | 61.7°F | 61.9°F | 62.0°F |
| Portimao | 61.5°F | 61.5°F | 61.6°F |
| Alvor | 61.4°F | 61.5°F | 61.6°F |
| Santa Maria Island | 61.2°F | 62.6°F | 63.6°F |
| Lagos | 61.1°F | 61.4°F | 61.4°F |
| Faial Island | 60.9°F | 60.9°F | 61.7°F |
| Lisbon | 60.9°F | 60.9°F | 61.5°F |
| Pico Island | 60.8°F | 60.9°F | 61.6°F |
| Sao Jorge | 60.7°F | 61.0°F | 61.5°F |
| Corvo Island | 60.7°F | 60.8°F | 61.7°F |
| Ponta Delgada | 60.6°F | 61.8°F | 62.7°F |
| Sao Miguel | 60.5°F | 61.6°F | 62.6°F |
| Flores Island | 60.5°F | 61.0°F | 61.7°F |
| Sagres | 60.4°F | 61.3°F | 61.0°F |
| Terceira Island | 60.0°F | 60.7°F | 61.4°F |
| Setubal | 59.9°F | 61.1°F | 61.3°F |
| Graciosa | 59.7°F | 60.9°F | 61.4°F |
| Cascais | 59.2°F | 60.7°F | 60.4°F |
| Estoril | 59.0°F | 60.6°F | 60.1°F |
| Sintra | 59.0°F | 60.6°F | 60.0°F |
| Peniche | 58.4°F | 60.0°F | 59.6°F |
| Ericeira | 58.3°F | 60.2°F | 59.4°F |
| Porto | 57.1°F | 59.3°F | 58.5°F |
Charts below show average sea water temperature for Portugal resorts with the warmest sea in April.
You can also check other months of the year to see sea temperature of Portugal resorts at that time.
Places in Portugal:
Name
°F
