December is a popular month to ask about Mermerli Beach because conditions can shift week to week along this coast. Expect the water near 18,0°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 Mediterranean Sea.
Mermerli Beach sea temperature in December — averages 18,0°C
The sea at Mermerli Beach in Turkey averages 18,0°C during December, based on long-run climatology for the Mediterranean 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 · December
18,0°C
mild · Good
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 18.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Mermerli Beach
Can you swim at Mermerli Beach in July? — 26,0°C water26,0°CCan you swim at Mermerli Beach in August? — 27,0°C water27,0°CCan you swim at Mermerli Beach in September? — 26,0°C water26,0°CCan you swim at Mermerli Beach in October? — 23,0°C water23,0°CCan you swim at Mermerli Beach in November? — 20,0°C water20,0°CCan you swim at Mermerli Beach in December? — 18,0°C water18,0°C
Frequently asked questions
What is the average sea temperature at Mermerli Beach in December?
Mermerli Beach averages 18,0°C in December, based on long-run climatology for the Mediterranean Sea.
Is the sea warm enough to swim at Mermerli Beach in December?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Mermerli Beach in December?
A 2 mm shorty is comfortable for sessions over 30 minutes.