Frost dates in Charlestown, MD

The average last spring frost in Charlestown is around April 12 and the first fall frost is around October 31. That gives Charlestown an average growing season of about 202 days.

Last spring frost

Early (10% chance after)March 25
Average (50%)April 12
Late (90%)April 30

First fall frost

Early (10%)October 10
Average (50%)October 31
Late (90% chance before)November 16

See the Charlestown planting calendar →