What months can you swim in Portugal?

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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The high season – June to August – is the best time for the beach. During the summer months, you'll find warmer ocean temperatures, especially as you head south to the Algarve. Water temps and crowds alike peak in July and August, so plan on sharing those pretty beaches with plenty of other sunseekers.

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May is the perfect month to travel to The Algarve if you love the warm Algarve sun but want to avoid the hot 30+ temperatures in summer. It's warm enough for activities like exploring beaches, eating out, and swimming, but still mild enough to enjoy activities like hiking, horse riding, bird watching, and climbing!

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Best Time for Visiting Beaches: Beaches around Lisbon can comfortably be enjoyed from late April through late September. Beaches will be at their busiest during the peak of summer, July and August, especially on the weekends.

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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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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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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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The best time to go to Portugal, specifically in Lisbon is again during the shoulder season. Similar to Porto, the sweet spot for visiting Lisbon is during the shoulder seasons of May-June and September-October.

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June to August is the best time for perfect weather The Algarve sizzles during high season, encouraging days of lounging on the beach followed by refreshing dips in the ocean (cold Atlantic currents mean that the sea never gets quite as warm as it does in the Mediterranean).

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On the coast and especially in the tourist resorts of the Algarve, dress is far more casual. Shorts, t-shirts and camisoles are perfectly acceptable. In the summer wear plenty of sunscreen (we love the Riemann P20 range for 10 hour protection) and a sunhat. Pack sunglasses whatever time of year you go.

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Like many places in Europe, July and August are the peak tourist season in Portugal. August, in particular, is very busy due to the fact that it's Portugal's holiday month, so Portuguese travelers join the throngs of international tourists.

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Whether you have an upcoming trip booked or are looking for travel inspiration, keep scrolling to see the best beaches in Portugal.
  • Praia Dona Ana, Lagos.
  • Costa da Caparica, Almada.
  • Praia Porto Santo, Porto Santo Island.
  • Praia de Moledo, Moledo.
  • Praia da Falesia, Albufeira.
  • Praia de São Jacinto, Aveiro.


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September in Portugal is the perfect time when you can sit back and relax in the pleasant warmth of the sun after the scorching heat of the summer. After scorching summer months, September brings back pleasant sunny days that are warm and refreshing.

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The cost of living in Portugal is generally considered about 46 percent cheaper than in the United States. This, coupled with the country's excellent quality of life, beautiful beaches, stunning mountain ranges, reliable public transport, and rich history and culture, make it very easy to fall in love with Portugal.

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September and October are two of the best months to visit Portugal. The weather is still warm and pleasant, and the temperatures are much more manageable for sightseeing or hiking. It's also a wonderful time to visit many of Portugal's wineries with the grape harvest in full swing.

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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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