May is a popular month to ask about Boltenhagen Beach because conditions can shift week to week along this coast. Expect the water near 10,0°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 Baltic Sea.
Boltenhagen Beach sea temperature in May — averages 10,0°C
The sea at Boltenhagen Beach in Germany averages 10,0°C during May, based on long-run climatology for the Baltic 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 · May
10,0°C
cool · Poor
Live water now
…
Recommended wetsuit
5/4mm fullsuit + boots & gloves
At 10.0°C you need a 5/4mm fullsuit with boots, gloves and ideally a hood.
Monthly comparison
Cold — wetsuit recommended · Boltenhagen Beach
Can you swim at Boltenhagen Beach in July? — 18,0°C water18,0°CCan you swim at Boltenhagen Beach in August? — 19,0°C water19,0°CCan you swim at Boltenhagen Beach in September? — 17,0°C water17,0°CCan you swim at Boltenhagen Beach in October? — 13,0°C water13,0°CCan you swim at Boltenhagen Beach in November? — 9,0°C water9,0°CCan you swim at Boltenhagen Beach in December? — 6,0°C water6,0°C
Frequently asked questions
What is the average sea temperature at Boltenhagen Beach in May?
Boltenhagen Beach averages 10,0°C in May, based on long-run climatology for the Baltic Sea.
Is the sea warm enough to swim at Boltenhagen Beach in May?
Not without thermal protection — a wetsuit is recommended at 10,0°C.
Do I need a wetsuit at Boltenhagen Beach in May?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.