Best time to swim in Larne in Northern Ireland Sea temperature by month

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

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

Do you feel like swimming in Larne in Northern Ireland? 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 48°F (min: 46°F/max: 50°F)
February 47°F (min: 45°F/max: 49°F)
March 47°F (min: 45°F/max: 49°F)
April 48°F (min: 46°F/max: 50°F)
May 51°F (min: 49°F/max: 52°F)
June 54°F (min: 50°F/max: 58°F)
July 57°F (min: 54°F/max: 60°F)
August 58°F (min: 57°F/max: 60°F)
September 58°F (min: 57°F/max: 59°F)
October 56°F (min: 55°F/max: 58°F)
November 55°F (min: 52°F/max: 56°F)
December 51°F (min: 49°F/max: 54°F)

Water temperature variation in Larne throughout the year

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