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 Tolu in Colombia, with a temperature of 30.07° C (86.13° F).
  • The lowest is in Rio Gallegos, Argentina, where the temperature of the water is 6.39° C (43.51° F).