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 Covenas in Colombia, with a temperature of 31.27° C (88.29° F).
  • The lowest is in Rio Grande, Argentina, where the temperature of the water is 3.57° C (38.43° F).