Frost dates in Smithsburg, MD

The average last spring frost in Smithsburg is around April 30 and the first fall frost is around October 23. That gives Smithsburg an average growing season of about 176 days.

Last spring frost

Early (10% chance after)April 5
Average (50%)April 30
Late (90%)May 21

First fall frost

Early (10%)October 13
Average (50%)October 23
Late (90% chance before)November 18

See the Smithsburg planting calendar →