Frost dates in Duncan, AZ

The average last spring frost in Duncan is around April 29 and the first fall frost is around October 23. That gives Duncan an average growing season of about 177 days.

Last spring frost

Early (10% chance after)April 8
Average (50%)April 29
Late (90%)May 16

First fall frost

Early (10%)October 9
Average (50%)October 23
Late (90% chance before)November 5

See the Duncan planting calendar →