St. Augustine Beach water temperature

Typically about 84° in August — bath-warm.

from an offshore buoy off St. Augustine, about 15 miles away

bath-warm

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 84° typical for August

The year at a glance

Swimmable from April through November.

swimmable 50° 60° 70° 80° 90° 84° 62° JFMAMJJASOND January: typically 62° — brisk February: typically 62° — brisk March: typically 65° — refreshing April: typically 71° — refreshing May: typically 77° — perfect June: typically 81° — bath-warm July: typically 83° — bath-warm August: typically 84° — bath-warm September: typically 83° — bath-warm October: typically 78° — perfect November: typically 73° — perfect December: typically 66° — refreshing

Month by month

Month Typical Feels
January 62° brisk
February 62° brisk
March 65° refreshing
April 71° refreshing
May 77° perfect
June 81° bath-warm
July 83° bath-warm
August 84° bath-warm
September 83° bath-warm
October 78° perfect
November 73° perfect
December 66° refreshing

About this reading

The reading comes from an offshore buoy off St. Augustine riding about 15 miles out; the surf zone usually reads close to it, though sun-warmed shallows can run warmer on calm afternoons.

Reading from an offshore buoy off St. Augustine, about 15 miles away.

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