Best time to swim in Helensburgh in Scotland Sea temperature by month

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

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

Do you feel like swimming in Helensburgh in Scotland? 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 47°F (min: 45°F/max: 49°F)
February 46°F (min: 44°F/max: 48°F)
March 46°F (min: 43°F/max: 48°F)
April 47°F (min: 45°F/max: 49°F)
May 50°F (min: 48°F/max: 52°F)
June 53°F (min: 50°F/max: 56°F)
July 56°F (min: 54°F/max: 59°F)
August 57°F (min: 56°F/max: 59°F)
September 57°F (min: 55°F/max: 58°F)
October 55°F (min: 54°F/max: 58°F)
November 54°F (min: 52°F/max: 55°F)
December 50°F (min: 47°F/max: 52°F)

Water temperature variation in Helensburgh throughout the year

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