Kiawah Island water temperature

Typically about 84° in August — bath-warm.

from an offshore buoy off Charleston, about 25 miles out

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 May through October.

swimmable 50° 60° 70° 80° 90° 84° 59° JFMAMJJASOND January: typically 59° — brisk February: typically 60° — brisk March: typically 62° — brisk April: typically 68° — refreshing May: typically 74° — perfect June: typically 78° — perfect July: typically 84° — bath-warm August: typically 84° — bath-warm September: typically 80° — bath-warm October: typically 74° — perfect November: typically 69° — refreshing December: typically 61° — brisk

Month by month

Month Typical Feels
January 59° brisk
February 60° brisk
March 62° brisk
April 68° refreshing
May 74° perfect
June 78° perfect
July 84° bath-warm
August 84° bath-warm
September 80° bath-warm
October 74° perfect
November 69° refreshing
December 61° brisk

About this reading

The reading comes from an offshore buoy off Charleston riding about 25 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 Charleston, about 25 miles out.

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