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

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

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

Do you feel like swimming in Dumbarton 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: 45°F/max: 48°F)
March 46°F (min: 44°F/max: 48°F)
April 48°F (min: 46°F/max: 50°F)
May 50°F (min: 48°F/max: 52°F)
June 53°F (min: 50°F/max: 57°F)
July 57°F (min: 54°F/max: 60°F)
August 58°F (min: 56°F/max: 60°F)
September 58°F (min: 56°F/max: 59°F)
October 56°F (min: 54°F/max: 58°F)
November 54°F (min: 52°F/max: 56°F)
December 51°F (min: 48°F/max: 53°F)

Water temperature variation in Dumbarton throughout the year

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