Frost dates in Port Gibson, MS

The average last spring frost in Port Gibson is around March 23 and the first fall frost is around November 4. That gives Port Gibson an average growing season of about 226 days.

Last spring frost

Early (10% chance after)March 6
Average (50%)March 23
Late (90%)April 10

First fall frost

Early (10%)October 20
Average (50%)November 4
Late (90% chance before)November 21

See the Port Gibson planting calendar →