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

Do you want to swim in the sea in Sines in Portugal? But when is the best time to go to be sure to have pleasant water for swimming in Sines 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 Sines, based on the average temperatures recorded in previous years.

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

Do you feel like swimming in Sines in Portugal? Discover the average sea temperature for each month of the year (based on previous years' data) and our opinion on swimming in the table below. For more information on the sea temperature of a specific month, click on the month's name in the table.

Month Sea temperature
January 61°F (min: 59°F/max: 63°F)
February 61°F (min: 59°F/max: 63°F)
March 60°F (min: 58°F/max: 63°F)
April 63°F (min: 60°F/max: 65°F)
May 65°F (min: 61°F/max: 69°F)
June 67°F (min: 64°F/max: 70°F)
July 67°F (min: 64°F/max: 71°F)
August 68°F (min: 65°F/max: 73°F)
September 69°F (min: 67°F/max: 71°F)
October 69°F (min: 67°F/max: 72°F)
November 66°F (min: 63°F/max: 68°F)
December 63°F (min: 62°F/max: 64°F)

Water temperature variation in Sines throughout the year

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