Cool. 15.0°C in March means short dips for most people. A 2 mm shorty or 3/2 mm wetsuit transforms the experience.
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 San Blas live page for full conditions.
Best months to swim
June · July · August · September · October
Frequently asked questions
What is the average sea temperature at San Blas in March?
San Blas averages 15.0°C in March, based on long-run climatology for the Mediterranean Sea.
Is the sea warm enough to swim at San Blas in March?
Not without thermal protection — a wetsuit is recommended at 15.0°C.