December is a popular month to ask about Arpoador Beach because conditions can shift week to week along this coast. Expect the water near 15,0°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 Atlantic Ocean.
Arpoador Beach sea temperature in December — averages 15,0°C
The sea at Arpoador Beach in Brazil averages 15,0°C during December, based on long-run climatology for the Atlantic Ocean. 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
15,0°C
mild · Fair
Live water now
…
Recommended wetsuit
4/3mm fullsuit
At 15.0°C you need a 4/3mm fullsuit, and many surfers add neoprene boots.
Monthly comparison
Cool — short dips or a shorty wetsuit · Arpoador Beach
Can you swim at Arpoador Beach in July? — 20,0°C water20,0°CCan you swim at Arpoador Beach in August? — 21,0°C water21,0°CCan you swim at Arpoador Beach in September? — 21,0°C water21,0°CCan you swim at Arpoador Beach in October? — 19,0°C water19,0°CCan you swim at Arpoador Beach in November? — 17,0°C water17,0°CCan you swim at Arpoador Beach in December? — 15,0°C water15,0°C
Frequently asked questions
What is the average sea temperature at Arpoador Beach in December?
Arpoador Beach averages 15,0°C in December, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Arpoador Beach in December?
Not without thermal protection — a wetsuit is recommended at 15,0°C.
Do I need a wetsuit at Arpoador Beach in December?
A 3/2 mm wetsuit makes longer swims comfortable.