Best time to swim in Hel in Poland Sea temperature by month

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

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

Do you feel like swimming in Hel in Poland? 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 38°F (min: 34°F/max: 42°F)
February 37°F (min: 33°F/max: 41°F)
March 36°F (min: 33°F/max: 41°F)
April 41°F (min: 35°F/max: 46°F)
May 50°F (min: 43°F/max: 57°F)
June 59°F (min: 55°F/max: 64°F)
July 66°F (min: 60°F/max: 71°F)
August 67°F (min: 63°F/max: 71°F)
September 64°F (min: 59°F/max: 69°F)
October 56°F (min: 50°F/max: 62°F)
November 50°F (min: 45°F/max: 55°F)
December 43°F (min: 38°F/max: 49°F)

Water temperature variation in Hel throughout the year

Change units