Can you swim at Dewey Beach in March? — 19.0°C water
Yes, but expect a fresh dip
Average sea · March
19.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
mild
It depends. Dewey Beach sits around 19.0°C in March; confident swimmers will be fine, casual bathers may prefer short sessions.
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 Dewey Beach live page for full conditions.
Best months to swim
May · June · July · August · September · October · November
Frequently asked questions
What is the average sea temperature at Dewey Beach in March?
Dewey Beach averages 19.0°C in March, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Dewey Beach in March?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Dewey Beach in March?
A 2 mm shorty is comfortable for sessions over 30 minutes.
