Can you swim at Cape Hatteras Beach in May? — 21.0°C water
Yes — comfortable for most swimmers
Average sea · May
21.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
warm
Yes. With a 21.0°C average in May, most swimmers find Cape Hatteras Beach comfortable after the first 10–20 seconds of acclimatisation.
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 Cape Hatteras Beach live page for full conditions.
Best months to swim
June · July · August · September · October
Frequently asked questions
What is the average sea temperature at Cape Hatteras Beach in May?
Cape Hatteras Beach averages 21.0°C in May, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Cape Hatteras Beach in May?
Yes, most swimmers find 21.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Cape Hatteras Beach in May?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.
