Frost dates in Westminster, MD

The average last spring frost in Westminster is around April 22 and the first fall frost is around October 19. That gives Westminster an average growing season of about 180 days.

Last spring frost

Early (10% chance after)April 7
Average (50%)April 22
Late (90%)May 10

First fall frost

Early (10%)October 4
Average (50%)October 19
Late (90% chance before)November 1

See the Westminster planting calendar →