The Portugal resorts with the warmest sea water temperature in April are Madeira, Funchal and Canico.
Below you can see a list of all popular Portugal resorts and information about sea water temperature in April for the last two years.
| Resort Name | April 2026 | April 2025 | April 2024 |
|---|---|---|---|
| Madeira | 65.8°F | 68.3°F | 69.2°F |
| Funchal | 65.8°F | 68.3°F | 69.2°F |
| Canico | 65.6°F | 68.2°F | 69.0°F |
| Porto Santo Island | 64.7°F | 67.0°F | 68.7°F |
| Faro | 62.9°F | 63.7°F | 64.2°F |
| Algarve | 62.9°F | 63.7°F | 64.2°F |
| Quarteira | 62.8°F | 63.4°F | 63.8°F |
| Albufeira | 62.7°F | 63.3°F | 63.4°F |
| Tavira | 62.6°F | 63.6°F | 64.2°F |
| Portimao | 62.6°F | 62.7°F | 62.9°F |
| Alvor | 62.4°F | 62.8°F | 62.8°F |
| Santa Maria Island | 62.3°F | 64.0°F | 65.2°F |
| Faial Island | 62.2°F | 62.1°F | 63.0°F |
| Lagos | 62.2°F | 62.7°F | 62.7°F |
| Pico Island | 62.1°F | 62.1°F | 62.9°F |
| Corvo Island | 62.0°F | 62.0°F | 63.0°F |
| Sao Jorge | 61.9°F | 62.2°F | 62.8°F |
| Ponta Delgada | 61.7°F | 63.1°F | 64.2°F |
| Sao Miguel | 61.7°F | 62.9°F | 64.0°F |
| Flores Island | 61.7°F | 62.2°F | 63.0°F |
| Lisbon | 61.5°F | 62.2°F | 62.8°F |
| Sagres | 61.3°F | 62.5°F | 62.2°F |
| Terceira Island | 61.1°F | 61.8°F | 62.6°F |
| Graciosa | 60.8°F | 62.1°F | 62.6°F |
| Setubal | 60.4°F | 62.3°F | 62.6°F |
| Cascais | 59.8°F | 61.9°F | 61.5°F |
| Estoril | 59.7°F | 61.8°F | 61.2°F |
| Sintra | 59.6°F | 61.7°F | 61.1°F |
| Ericeira | 58.9°F | 61.4°F | 60.5°F |
| Peniche | 58.9°F | 61.2°F | 60.7°F |
| Porto | 57.3°F | 60.3°F | 59.4°F |
Please see following sea water temperature averages charts for the warmest Portugal resorts in April.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Portugal Resorts:
NAME
F°
| Albufeira |  |
+70 |
| Algarve | |
+68 |
| Cascais |  |
+66 |
| Ericeira | |
+66 |
| Faro | |
+68 |
| Funchal | |
+70 |
| Lagos | |
+68 |
| Lisbon | |
+74 |
| Madeira | |
+70 |
| Ponta Delgada |  |
+62 |
| Portimao | |
+70 |
| Porto | |
+68 |
| Porto Santo Island | |
+66 |
| Sao Miguel | |
+62 |
| Setubal | |
+72 |
