Frost dates in Dover, NJ

The average last spring frost in Dover is around April 23 and the first fall frost is around October 13. That gives Dover an average growing season of about 173 days.

Last spring frost

Early (10% chance after)April 8
Average (50%)April 23
Late (90%)May 15

First fall frost

Early (10%)September 28
Average (50%)October 13
Late (90% chance before)November 3

See the Dover planting calendar →