Average monthly water temperature in Rio, Greece
On this page you find the mean water temperature over the year in Rio (the Peloponnese), Greece. Discover the unique water temperature patterns, from its warmest to its coolest months.
Rio experiences water temperature shifts throughout the year. The warmest month, August, reaches an average of 26°C (79°F).
The coldest month, March, averages 15°C (59°F). Visitors during these months can leave their swimming gear at home.