Frost dates in Trenton, NJ

The average last spring frost in Trenton is around April 10 and the first fall frost is around October 31. That gives Trenton an average growing season of about 204 days.

Last spring frost

Early (10% chance after)March 28
Average (50%)April 10
Late (90%)April 19

First fall frost

Early (10%)October 13
Average (50%)October 31
Late (90% chance before)November 8

See the Trenton planting calendar →