Cold. 11.0°C in April is cold-water swimming territory — a 4/3 mm full wetsuit, neoprene cap and short, repeated sessions are the safe approach.
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 Sozopol live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Sozopol in April?
Sozopol averages 11.0°C in April, based on long-run climatology for the Black Sea.
Is the sea warm enough to swim at Sozopol in April?
Not without thermal protection — a wetsuit is recommended at 11.0°C.
Do I need a wetsuit at Sozopol in April?
A 4/3 mm full wetsuit, boots and neoprene cap are recommended.
