Greece weather in January
In January, Greece averages 12 to 15°C by day across Rhodes, Crete and Athens. Rhodes is the warmest at 15°C, Athens the coolest at 12°C. The sea is 17 to 19°C.
Greece in January, place by place
Warmest first. Nowhere here averages 24°C this month. Tap a place for its full January detail.
Heading to Greece in January?
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 January: quick answers
Is Greece hot in January?
In January, Greece averages 12 to 15°C by day across Rhodes, Crete and Athens. Rhodes is the warmest at 15°C, Athens the coolest at 12°C. The sea is 17 to 19°C. January is mild in Rhodes: good for exploring, not reliably beach weather.
Where is warmest in Greece in January?
Rhodes, at an average high of 15°C. The driest is Athens, with about 70 mm of rain.
Can you swim in the sea in Greece in January?
Greece's sea averages below 21°C in January, 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.
