The Portugal resorts with the warmest sea water temperature in October are Madeira, Funchal and Canico.
Below you can see a list of all popular Portugal resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Madeira | 78.1°F | 76.8°F | 77.5°F |
| Funchal | 78.1°F | 76.8°F | 77.5°F |
| Canico | 77.7°F | 76.3°F | 77.4°F |
| Porto Santo Island | 76.9°F | 75.9°F | 76.9°F |
| Santa Maria Island | 75.2°F | 75.9°F | 76.2°F |
| Tavira | 74.9°F | 71.0°F | 68.4°F |
| Quarteira | 74.8°F | 70.6°F | 67.7°F |
| Faro | 74.7°F | 70.9°F | 68.5°F |
| Algarve | 74.7°F | 70.9°F | 68.5°F |
| Flores Island | 74.6°F | 72.9°F | 74.7°F |
| Ponta Delgada | 74.6°F | 74.4°F | 75.0°F |
| Albufeira | 74.5°F | 70.1°F | 67.4°F |
| Corvo Island | 74.5°F | 72.6°F | 74.7°F |
| Portimao | 74.3°F | 69.6°F | 67.1°F |
| Faial Island | 74.3°F | 73.2°F | 74.6°F |
| Pico Island | 74.3°F | 73.2°F | 74.6°F |
| Alvor | 74.1°F | 69.4°F | 67.3°F |
| Sao Miguel | 74.1°F | 74.3°F | 74.7°F |
| Sao Jorge | 74.1°F | 73.6°F | 74.8°F |
| Lagos | 73.8°F | 68.8°F | 67.2°F |
| Terceira Island | 73.5°F | 73.1°F | 74.1°F |
| Graciosa | 73.5°F | 73.0°F | 74.5°F |
| Sagres | 72.1°F | 67.3°F | 66.4°F |
| Lisbon | 69.3°F | 66.8°F | 67.1°F |
| Setubal | 68.3°F | 66.0°F | 66.8°F |
| Cascais | 67.2°F | 64.7°F | 66.2°F |
| Estoril | 66.8°F | 64.4°F | 66.0°F |
| Sintra | 66.6°F | 64.3°F | 65.9°F |
| Ericeira | 65.0°F | 63.4°F | 65.3°F |
| Peniche | 64.8°F | 62.9°F | 65.6°F |
| Porto | 62.6°F | 62.3°F | 65.7°F |
Please see following sea water temperature averages charts for the warmest Portugal resorts in October.
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.
