Best time to swim in Harlingen in the Netherlands Sea temperature by month

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

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

Do you feel like swimming in Harlingen in the Netherlands? 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 43°F (min: 40°F/max: 47°F)
February 43°F (min: 41°F/max: 46°F)
March 43°F (min: 40°F/max: 47°F)
April 48°F (min: 44°F/max: 51°F)
May 52°F (min: 49°F/max: 56°F)
June 58°F (min: 54°F/max: 63°F)
July 63°F (min: 59°F/max: 66°F)
August 64°F (min: 61°F/max: 68°F)
September 64°F (min: 61°F/max: 67°F)
October 60°F (min: 56°F/max: 64°F)
November 55°F (min: 52°F/max: 58°F)
December 49°F (min: 44°F/max: 53°F)

Water temperature variation in Harlingen throughout the year

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