Sand Beach water temperature

Typically about 59° in August — brisk.

from the Bar Harbor station, about 5 miles away

brisk

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 59° typical for August

Sand Beach is the swim in Acadia people talk about afterward — the water rarely climbs out of the fifties, even in August.

The year at a glance

Rarely reaches swimmable temperatures.

20° 30° 40° 50° 60° 70° 59° 34° JFMAMJJASOND January: typically 37° — brisk February: typically 34° — brisk March: typically 36° — brisk April: typically 42° — brisk May: typically 48° — brisk June: typically 53° — brisk July: typically 57° — brisk August: typically 59° — brisk September: typically 58° — brisk October: typically 55° — brisk November: typically 49° — brisk December: typically 42° — brisk

Month by month

Month Typical Feels
January 37° brisk
February 34° brisk
March 36° brisk
April 42° brisk
May 48° brisk
June 53° brisk
July 57° brisk
August 59° brisk
September 58° brisk
October 55° brisk
November 49° brisk
December 42° brisk

About this reading

The Bar Harbor station sits in the harbor; open-water surf can read a few degrees different.

Reading from the Bar Harbor station, about 5 miles away.

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