Sea temperatures for 150 travel destinations and 12 countries on continent South America. The average temperature in South America is 19.7°C. The highest current temperature on the continent according to our data, is in Aruba (Netherlands Antilles) where water has 30.4 degrees celsius. On the other hand the lowest temperature is in Rio Grande (Argentina) where water has -1 degrees celsius. This means the difference between the warmest (Aruba) and coldest (Rio Grande) place in South America is 31.4 degrees celsius.
At the moment the warmest country in South America is Netherlands Antilles where current average water temperature is 30.3°C. The coldest country is South Orkney Islands with -1°C.