Best time to swim in Altura in Portugal Sea temperature by month

Do you want to swim in the sea in Altura in Portugal? But when is the best time to go to be sure to have pleasant water for swimming in Altura and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Altura, based on the average temperatures recorded in previous years.

Best time to swim in Altura: the water temperature by month

Do you feel like swimming in Altura in Portugal? Discover the average sea temperature for each month of the year (based on previous years' records) and our opinion on swimming in the table below.

Month Sea temperature
January 62°F (min: 60°F/max: 64°F)
February 61°F (min: 59°F/max: 64°F)
March 61°F (min: 59°F/max: 63°F)
April 64°F (min: 61°F/max: 66°F)
May 66°F (min: 62°F/max: 69°F)
June 70°F (min: 67°F/max: 73°F)
July 73°F (min: 70°F/max: 76°F)
August 73°F (min: 71°F/max: 76°F)
September 71°F (min: 69°F/max: 74°F)
October 71°F (min: 68°F/max: 73°F)
November 67°F (min: 64°F/max: 70°F)
December 64°F (min: 62°F/max: 66°F)

Water temperature variation in Altura throughout the year

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