Is the water warm in Cascais?

The graph below shows the range of monthly Cascais water temperature derived from many years of historical sea surface temperature data. The warmest water temperature is in September with an average around 67.8°F / 19.9°C. The coldest month is March with an average water temperature of 59°F / 15.0°C.



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The best time to go to Cascais Sea temperature ranges from 138°F to 154°F. The rainiest months are: february, december and november. We recommende the month of april, may, june, july, august, september, october, to visit Cascais.

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You can find all the sea temperatures for Portugal there. The statistics on that website show that the sea off Figueira da Foz has a maximum ocean temperature of 21.3°C / 70.4°F in August; that should offer comfortable bathing for almost all.

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In fact, the waters of Portugal's coasts are rather cold compared to those of the Mediterranean Sea. A period of mental and physical preparation is necessary to enjoy a swim in the waters of the beaches of Portugal. However, there are some places where the temperature of the water is warmer and warmer.

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Because Algarve, unlike Andalucia, is not in the Mediterranean sea: it's in the Atlantic Ocean. Furthermore, sea currents are really complex, so just because Atlantic Ocean may feel “warm” somewhere else, doesn't mean around Algarve it will be the same.

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You can swim in the ocean comfortably from March until October. And in the winter months, you can take long refreshing beach walks. Find out what the weather in the Algarve is like from January until December.

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Algarve is the hottest region of Portugal, with the exception of Madeira Island (an archipelago of Portugal). In the Alentejo region the average temperatures are around 16ºC (depending on if you are on the coast or in the interior) and in the Algarve region 18ºC.

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The cost of living in Cascais reflects its location by the sea, its proximity to Lisbon, and the lifestyle it offers.

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Praia dos Coelhos, Sétubal The setting for innumerable films and advertising campaigns, this idyllic, secluded beach on the Arrábida coastline boasts some of the clearest waters you'll likely ever swim in. Though increasingly on the tourist trail, it's still relatively crowd-free.

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Living in Portugal, we are blessed with a warm climate and stunning beaches, but the sea is practically always “freezing”. This is due to a combination of factors such as Portugal's location on the westernmost part of Europe, where we are exposed to the cold waters of the Atlantic Ocean.

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This statistic displays the average monthly rainfall in Portugal over the past 20 years. It shows that over the past twenty years the month with the highest average rainfall has been January, with an average rainfall of 171.5 mm. On average, August has been the driest month.

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Cold during the night and early morning, with the occasional frost at night on the coast but never at the villa, sunny temperatures can can reach the late teens during mid afternoon.

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The warmest part of the Algarve is the eastern Algarve. The more west you travel, the colder and windier it usually gets, especially ones you go around the corner at Sagres. I would recommend staying anywhere in between the Spanish boarder and Salema.

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This beach in the east of the Algarve is surrounded by green dunes and offers a peaceful atmosphere. The calm, shallow waters make it an ideal choice for families. It's also a great place to admire the breathtaking sunsets.

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Sea temperatures, which range from 18 to 20°C, are still not suitable for swimming. The average daytime temperature in Lisbon is around 22°C during this month, while nights do not go below 13°C. Porto sees temperature shooting up to 20°C during the daytime, while evenings see the mercury drop to 12°C.

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