January is a popular month to ask about Possidi Beach because conditions can shift week to week along this coast. Expect the water near 16.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Aegean Sea.
Possidi Beach sea temperature in January — averages 16.0°C
The sea at Possidi Beach in Greece averages 16.0°C during January, based on long-run climatology for the Aegean Sea. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · January
16.0°C
mild · Fair
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 16.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Possidi Beach
Can you swim at Possidi Beach in June? — 23.0°C water23.0°CCan you swim at Possidi Beach in July? — 25.0°C water25.0°CCan you swim at Possidi Beach in August? — 26.0°C water26.0°CCan you swim at Possidi Beach in September? — 25.0°C water25.0°CCan you swim at Possidi Beach in October? — 22.0°C water22.0°CCan you swim at Possidi Beach in November? — 20.0°C water20.0°C
Frequently asked questions
What is the average sea temperature at Possidi Beach in January?
Possidi Beach averages 16.0°C in January, based on long-run climatology for the Aegean Sea.
Is the sea warm enough to swim at Possidi Beach in January?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Possidi Beach in January?
A 2 mm shorty is comfortable for sessions over 30 minutes.