Water temperature all along the Rio de la Plata coast is not yet warm enough for swimming and does not exceed 20°C. The warmest water temperature Rio de la Plata today is 12.4°C (in Punta del Este), and the coldest Rio de la Plata surface temperature now is 12°C (in San Clemente del Tuyu).
The table below shows some of the cities on the Rio de la Plata coast with the values of sea surface temperature today and yesterday. Also indicated are the maximum and minimum water temperatures that were recorded this month for the last ten years. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.