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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Portugal Weather in JuneThe average June high is 23°C, with a low of 16°C. Despite warm air temperatures, ocean waters will still be too cool for long swimming.
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.
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.
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.
The verdict. Deciding which country has the best beaches for you really depends on what you're looking for. Whereas Spain is graced by the warmer waters of the Mediterranean and the chilled-out beach life that comes with it, Portugal benefits from the lively waters of the Atlantic and some truly epic scenery.
While the cost of living can vary depending on location and personal preferences, Portugal tends to be slightly cheaper than Spain for accommodation, food, and transportation. Both countries offer beautiful scenery, rich culture, and delicious food, making them great destinations for travelers on a budget.
Summer brings comfortable temperatures from the mid 70's F to mid-80s F with occasional highs in the mid-90s F. Come September, you'll find breezy days, rain, and temperatures in the 70s F, with a slight chill near the ocean.
In July and August – the Algarve's hottest months – the average temperature is around 28°C (82°F), though some days can get as hot as 40°C (104°F). With cool ocean breezes, evening temperatures hover around 22°C (72°F) – perfect for comfortable outdoor dining.
Portugal's beaches are beautiful, yes–but due to being set on the Atlantic, the water is actually much colder than many visitors might expect (yes, even in the Algarve). What is this? Spain's long Mediterranean coast, on the other hand, tends to offer much warmer water and a longer swimming season.
While there are definitely far more beautiful places to see in Portugal, from Óbidos to the Berlengas Islands to Monsanto and beyond, there's no doubt that you can cover a bigger percentage of Portugal's top destinations in one trip than you can Spain's.
The sea temperatures around Lisbon rarely go over 20°C in the peak of the summer and more realistically, you'll likely get something in the 17-19°C range. That is cold for most people. For us Portuguese, it's just what we are used to and it's fine.
Portugal has a mediterranean climate with hot dry summers and mild winters. If you enjoy hot perfect sunny days the best time to visit Portugal is between June and August. The hottest month of the year is July with an average daily maximum of 30 C and an average low of 22 C.
The ocean currents can be strong and unpredictable. If you plan on swimming, go to beaches with lifeguards and pay attention to the warning flags – green means it's safe to swim, yellow means use caution and stay near the shore, and red means do not enter.