Best time to swim in Portsmouth in Dominica Sea temperature by month

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

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

Do you feel like swimming in Portsmouth in Dominica? 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 81°F (min: 81°F/max: 83°F)
February 81°F (min: 80°F/max: 81°F)
March 81°F (min: 79°F/max: 83°F)
April 82°F (min: 81°F/max: 84°F)
May 83°F (min: 80°F/max: 86°F)
June 84°F (min: 81°F/max: 86°F)
July 84°F (min: 82°F/max: 86°F)
August 84°F (min: 83°F/max: 87°F)
September 85°F (min: 83°F/max: 87°F)
October 85°F (min: 83°F/max: 86°F)
November 83°F (min: 82°F/max: 85°F)
December 82°F (min: 81°F/max: 84°F)

Water temperature variation in Portsmouth throughout the year

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