Bethany Beach water temperature by month

Swimmable from July through September.

Month by month

Month Typical Feels
January 42° brisk
February 42° brisk
March 46° brisk
April 52° brisk
May 60° brisk
June 67° refreshing
July 72° perfect
August 72° perfect
September 73° perfect
October 66° refreshing
November 57° brisk
December 47° brisk

The year at a glance

swimmable 30° 40° 50° 60° 70° 80° 73° 42° JFMAMJJASOND January: typically 42° — brisk February: typically 42° — brisk March: typically 46° — brisk April: typically 52° — brisk May: typically 60° — brisk June: typically 67° — refreshing July: typically 72° — perfect August: typically 72° — perfect September: typically 73° — perfect October: typically 66° — refreshing November: typically 57° — brisk December: typically 47° — brisk

The water right now

Typically about 66° in October — refreshing.

from the buoy just off Bethany Beach, about a mile from the sand

refreshing

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 66° typical for October

About this reading

The reading comes from the buoy just off Bethany Beach, just off the coast.

Reading from the buoy just off Bethany Beach, about a mile from the sand.

Warm water says nothing about surf, rip currents, or bacteria — check local lifeguard flags and advisories.