Rehoboth 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 13 miles away

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 13 miles away.

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