Greece weather in May
In May, Greece averages 23 to 25°C by day across Rhodes, Crete and Athens. Athens is the warmest at 25°C, Crete the coolest at 23°C. The sea is 19 to 20°C.
Greece in May, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full May detail.
Heading to Greece in May?
Share the places you've saved on TikTok and Instagram for Greece to Dream Trip. It pins them on a map and builds your days around them.
Greece in May: quick answers
Is Greece hot in May?
In May, Greece averages 23 to 25°C by day across Rhodes, Crete and Athens. Athens is the warmest at 25°C, Crete the coolest at 23°C. The sea is 19 to 20°C. May is hot in Athens: proper beach weather.
Where is warmest in Greece in May?
Athens, at an average high of 25°C. The driest is Rhodes, with about 19 mm of rain.
Can you swim in the sea in Greece in May?
Greece's sea averages below 21°C in May, so most people will find it chilly.
How we measured this
Greece here means Rhodes, Crete and Athens: the places we measure. Figures are averages of every day from 2016 to 2025 from the Open-Meteo historical weather archive (ECMWF ERA5); sea temperatures are 2023 to 2025 averages. Rain is the average monthly total, and 150 mm or more counts as rainy season.
Planning Greece in May?
Save the places you find on TikTok and Instagram for Greece to one map, and Dream Trip turns them into a day-by-day plan.
