The Portugal resorts with the warmest sea water temperature in August are Flores Island, Santa Maria Island and Sao Jorge.
Below you can see a list of all popular Portugal resorts and information about sea water temperature in August for the last two years.
| Resort Name | August 2024 | August 2023 | August 2022 |
|---|---|---|---|
| Flores Island | 81.3°F | 79.2°F | 80.2°F |
| Santa Maria Island | 81.2°F | 79.4°F | 77.3°F |
| Sao Jorge | 81.0°F | 77.5°F | 78.8°F |
| Corvo Island | 81.0°F | 78.9°F | 80.0°F |
| Graciosa | 80.5°F | 77.9°F | 79.2°F |
| Faial Island | 80.2°F | 77.7°F | 78.1°F |
| Pico Island | 80.2°F | 77.6°F | 78.2°F |
| Ponta Delgada | 80.1°F | 78.1°F | 76.4°F |
| Sao Miguel | 79.9°F | 78.1°F | 76.5°F |
| Terceira Island | 79.8°F | 77.0°F | 78.2°F |
| Madeira | 78.4°F | 79.6°F | 75.9°F |
| Funchal | 78.4°F | 79.6°F | 75.9°F |
| Canico | 77.9°F | 79.5°F | 75.8°F |
| Porto Santo Island | 77.6°F | 78.8°F | 74.9°F |
| Tavira | 74.9°F | 73.0°F | 73.1°F |
| Faro | 74.8°F | 72.4°F | 72.1°F |
| Algarve | 74.8°F | 72.4°F | 72.1°F |
| Quarteira | 73.7°F | 70.3°F | 70.6°F |
| Albufeira | 72.9°F | 69.7°F | 70.1°F |
| Portimao | 72.1°F | 68.8°F | 69.5°F |
| Alvor | 71.6°F | 68.5°F | 69.0°F |
| Lisbon | 70.3°F | 70.8°F | 70.4°F |
| Lagos | 69.9°F | 67.5°F | 67.7°F |
| Setubal | 68.9°F | 69.2°F | 69.5°F |
| Sagres | 65.4°F | 65.2°F | 65.1°F |
| Cascais | 64.0°F | 64.4°F | 64.8°F |
| Peniche | 63.9°F | 65.4°F | 65.8°F |
| Sintra | 63.7°F | 64.6°F | 64.9°F |
| Estoril | 63.6°F | 64.2°F | 64.6°F |
| Porto | 62.4°F | 63.3°F | 65.5°F |
| Ericeira | 62.3°F | 64.2°F | 64.4°F |
Please see following sea water temperature averages charts for the warmest Portugal resorts in August.
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.
Sea Water
Temperature
Temperature
| Flores Island |
Sea Water
Temperature
Temperature
| Santa Maria Island |
Sea Water
Temperature
Temperature
| Sao Jorge |
