Frost dates in Dyersville, IA

The average last spring frost in Dyersville is around April 30 and the first fall frost is around October 4. That gives Dyersville an average growing season of about 157 days.

Last spring frost

Early (10% chance after)April 19
Average (50%)April 30
Late (90%)May 17

First fall frost

Early (10%)September 20
Average (50%)October 4
Late (90% chance before)October 14

See the Dyersville planting calendar →