Frost dates in Harpers Ferry, WV

The average last spring frost in Harpers Ferry is around April 26 and the first fall frost is around October 19. That gives Harpers Ferry an average growing season of about 176 days.

Last spring frost

Early (10% chance after)April 15
Average (50%)April 26
Late (90%)May 13

First fall frost

Early (10%)October 10
Average (50%)October 19
Late (90% chance before)November 1

See the Harpers Ferry planting calendar →