Best time to swim in Rio de Janeiro in Brazil Sea temperature by month

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

Best time to swim in Rio de Janeiro: the water temperature by month

Do you feel like swimming in Rio de Janeiro in Brazil? 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 78°F (min: 75°F/max: 81°F)
February 78°F (min: 74°F/max: 82°F)
March 79°F (min: 76°F/max: 82°F)
April 78°F (min: 76°F/max: 81°F)
May 76°F (min: 73°F/max: 79°F)
June 74°F (min: 71°F/max: 78°F)
July 72°F (min: 70°F/max: 75°F)
August 73°F (min: 70°F/max: 75°F)
September 71°F (min: 68°F/max: 74°F)
October 73°F (min: 68°F/max: 79°F)
November 74°F (min: 69°F/max: 80°F)
December 76°F (min: 71°F/max: 81°F)

Water temperature variation in Rio de Janeiro throughout the year

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