Can you swim in Poland in May?

Cold — wetsuit recommended

Average sea

9°C

Feels

cold

Month

May

The short answer

The sea around Poland averages 9°C in May. This is cold-water swimming. A wetsuit, neoprene cap and short sessions are sensible unless you train for cold immersion.

Live conditions matter most

Monthly averages set expectations, but a specific beach today depends on wind, waves and local currents. Use the live map or any beach page to see right-now temperatures.