Frost dates in Port Royal, VA

The average last spring frost in Port Royal is around April 17 and the first fall frost is around October 22. That gives Port Royal an average growing season of about 188 days.

Last spring frost

Early (10% chance after)April 1
Average (50%)April 17
Late (90%)May 7

First fall frost

Early (10%)October 7
Average (50%)October 22
Late (90% chance before)November 6

See the Port Royal planting calendar →