South America Sea Temperatures

We track the current and average sea water temperatures for 15 countries in South America. Search the list below to find the country you're looking for.

  • The place with the highest sea temperature in South America today is Barcarena in Brazil, with a temperature of 29.75° C (85.55° F).
  • The lowest is in Tierra del Fuego, Chile, where the temperature of the water is 7.64° C (45.75° F).