Best time to swim in Naples in Italy Sea temperature by month

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

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

Do you feel like swimming in Naples in Italy? 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 59°F (min: 56°F/max: 61°F)
February 57°F (min: 56°F/max: 59°F)
March 58°F (min: 55°F/max: 61°F)
April 60°F (min: 57°F/max: 63°F)
May 67°F (min: 60°F/max: 73°F)
June 75°F (min: 70°F/max: 80°F)
July 79°F (min: 75°F/max: 83°F)
August 79°F (min: 76°F/max: 83°F)
September 77°F (min: 73°F/max: 81°F)
October 72°F (min: 67°F/max: 76°F)
November 67°F (min: 63°F/max: 71°F)
December 62°F (min: 58°F/max: 65°F)

Water temperature variation in Naples throughout the year

Change units