weather averages in greek islands
Average temperature in Greek Islands in May: 12Â°C to 24Â°C (54Â°F to 75Â°F) Average sea Temperature in Greek Islands in May: 17Â°C (63Â°F) Average rainfall in Greek Islands in May: 10mm to 50mm (0.4in to 2in) Notes: This is a great month for budget holidays in Greece as the weather is good and the prices are relatively low.