Best time to swim in Llanelli in Wales Sea temperature by month

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

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

Do you feel like swimming in Llanelli in Wales? 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: 45°F/max: 51°F)
February 47°F (min: 45°F/max: 50°F)
March 48°F (min: 46°F/max: 49°F)
April 50°F (min: 47°F/max: 53°F)
May 53°F (min: 51°F/max: 55°F)
June 57°F (min: 54°F/max: 61°F)
July 61°F (min: 58°F/max: 64°F)
August 63°F (min: 61°F/max: 65°F)
September 62°F (min: 61°F/max: 64°F)
October 60°F (min: 58°F/max: 62°F)
November 57°F (min: 55°F/max: 59°F)
December 52°F (min: 50°F/max: 56°F)

Water temperature variation in Llanelli throughout the year

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