Can you swim at Porto Katsiki in December? — 17.0°C water
Yes, but expect a fresh dip
Average sea · December
17.0°C
Live water now
…
Recommended wetsuit
3/2mm fullsuit
mild
It depends. Porto Katsiki sits around 17.0°C in December; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Porto Katsiki live page for full conditions.
Best months to swim
June · July · August · September · October
Frequently asked questions
What is the average sea temperature at Porto Katsiki in December?
Porto Katsiki averages 17.0°C in December, based on long-run climatology for the Ionian Sea.
Is the sea warm enough to swim at Porto Katsiki in December?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Porto Katsiki in December?
A 2 mm shorty is comfortable for sessions over 30 minutes.