Days are usually hot with balmy evenings, so visitors should pack light and cool clothing. The average daily maximum is 28 C and the average daily minimum is 20 C.
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The hottest places are Faro (27ºC) on the Algarve and Évora (27ºC) in the Alentejo region. Close behind is the capital, Lisbon (26ºC). Towards the end of June all three places can see temperatures reach 30ºC. The sunniest places in June are also Faro and Évora, each with an average of 11 hours of daily sunshine.
July is the hottest month in Vilamoura with an average temperature of 24°C (75°F) and the coldest is January at 12°C (54°F) with the most daily sunshine hours at 12 in July.
If you're looking for the perfect balance of pleasant weather, manageable crowds, and reasonable prices, the best time to visit Portugal is during the shoulder season — between May-June and September-October.
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.
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.
The climate in Portugal is relatively comfortable. It is very suitable for tourism in all four seasons. It is relatively warm from April to October. The peak period of tourism is from mid-June to the end of September.
Days are usually hot with balmy evenings, so visitors should pack light and cool clothing. The average daily maximum is 28 C and the average daily minimum is 20 C.
The Algarve enjoys over 300 days of sunshine per year with average temperatures in June of 25ºC. That means long, lazy days on the beach or by the pool of your SandyBlue villa, basking in the sun but not sweltering in unbearable heat.