Frost dates in Minidoka, ID

The average last spring frost in Minidoka is around May 15 and the first fall frost is around September 30. That gives Minidoka an average growing season of about 138 days.

Last spring frost

Early (10% chance after)April 29
Average (50%)May 15
Late (90%)June 10

First fall frost

Early (10%)September 14
Average (50%)September 30
Late (90% chance before)October 18

See the Minidoka planting calendar →