How cold is Dewey Beach water?

Dewey Beach sea water temperatures peak in the range 22 to 25°C (72 to 77°F) on around the 9th of August and are at their coldest on about the 1st of March, in the range 2 to 6°C (36 to 43°F). Dewey Beach sea water temperatures are always warm reach their maximum in early to mid August.



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A little cooler than your body temperature (98.6° Fahrenheit) should not be too cold so that you don't get chilled. 70° to 78° Fahrenheit is the range where most folks feel comfortable swimming.

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Delaware Seashore The main attraction for many visitors is swimming and sunbathing along the park's spectacular beaches. Two ocean swimming areas feature modern bathhouses with showers and changing rooms. Lifeguards patrol the beaches from 9 am to 5 pm daily between Memorial Day weekend and Labor Day.

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The smell of the ocean breeze also contributes to your soothed state, which may have something to do with the negative ions in the air that you're breathing in.

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