Greece weather in December

In December, Greece averages 14 to 17°C by day across Rhodes, Crete and Athens. Rhodes is the warmest at 17°C, Athens the coolest at 14°C. The sea is 18 to 21°C.

Greece in December, place by place

Warmest first. Nowhere here averages 24°C this month. Tap a place for its full December detail.

DestinationDayNightSeaRainFlight
RhodesGreece17°C12°C21°C91 mm4h
CreteGreece17°C12°C19°C111 mm3½h
AthensGreece14°C8°C18°C96 mm3½h
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Greece in December: quick answers

Is Greece hot in December?

In December, Greece averages 14 to 17°C by day across Rhodes, Crete and Athens. Rhodes is the warmest at 17°C, Athens the coolest at 14°C. The sea is 18 to 21°C. December is mild in Rhodes: good for exploring, not reliably beach weather.

Where is warmest in Greece in December?

Rhodes, at an average high of 17°C. The driest is Rhodes, with about 91 mm of rain.

Can you swim in the sea in Greece in December?

Greece's sea averages below 21°C in December, 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.

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