Best time to swim in Grindavík in Iceland Sea temperature by month

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

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

Do you feel like swimming in Grindavík in Iceland? 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 43°F (min: 42°F/max: 45°F)
February 43°F (min: 42°F/max: 45°F)
March 43°F (min: 41°F/max: 45°F)
April 44°F (min: 43°F/max: 45°F)
May 46°F (min: 43°F/max: 49°F)
June 50°F (min: 46°F/max: 54°F)
July 53°F (min: 50°F/max: 57°F)
August 53°F (min: 51°F/max: 56°F)
September 51°F (min: 48°F/max: 53°F)
October 48°F (min: 45°F/max: 51°F)
November 46°F (min: 45°F/max: 48°F)
December 45°F (min: 44°F/max: 47°F)

Water temperature variation in Grindavík throughout the year

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