Best time to swim in Saint John in Canada Sea temperature by month

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

Best time to swim in Saint John: the water temperature by month

Do you feel like swimming in Saint John in Canada? 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 41°F (min: 36°F/max: 47°F)
February 39°F (min: 36°F/max: 42°F)
March 38°F (min: 35°F/max: 41°F)
April 40°F (min: 37°F/max: 43°F)
May 44°F (min: 40°F/max: 47°F)
June 49°F (min: 45°F/max: 54°F)
July 54°F (min: 51°F/max: 59°F)
August 57°F (min: 55°F/max: 59°F)
September 56°F (min: 54°F/max: 58°F)
October 53°F (min: 50°F/max: 56°F)
November 49°F (min: 47°F/max: 52°F)
December 45°F (min: 41°F/max: 49°F)

Water temperature variation in Saint John throughout the year

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