Best time to swim in Piran in Slovenia Sea temperature by month

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

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

Do you feel like swimming in Piran in Slovenia? 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 51°F (min: 46°F/max: 55°F)
February 49°F (min: 48°F/max: 51°F)
March 50°F (min: 47°F/max: 55°F)
April 56°F (min: 52°F/max: 60°F)
May 65°F (min: 57°F/max: 72°F)
June 74°F (min: 67°F/max: 80°F)
July 77°F (min: 74°F/max: 81°F)
August 77°F (min: 72°F/max: 82°F)
September 74°F (min: 69°F/max: 80°F)
October 67°F (min: 61°F/max: 72°F)
November 61°F (min: 58°F/max: 65°F)
December 56°F (min: 52°F/max: 60°F)

Water temperature variation in Piran throughout the year

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