Can you swim in Greece in spring? In May sea water temperature in some cities of Greece is above 20°C and it is enough for comfortable bathing. Based on average water temperature observations over the past ten years, the warmest sea in Greece in May was 20.5°C (in Kastellorizo), and the coldest water 18°C (in Aigio). To find out the sea temperature today and in the coming days, go to Current sea temperature in Greece
Several popular Greece resorts with average ocean temperatures in May over the past years. For sea temperatures in other locations, select a state below or search
The map shows Greece average temperature water in May in some coastal cities
For the searchability, all Greece cities and resorts are separated by state. To find the temperature of the water, select the state and then the city. If you do not know in which state the place is of interest to you, go to the section Greece all cities and resorts
To find out what the water temperature was in Greece any day over a period of the last ten years, select the month