Frost dates in State Line, ID

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

Last spring frost

Early (10% chance after)April 17
Average (50%)April 29
Late (90%)May 14

First fall frost

Early (10%)October 3
Average (50%)October 23
Late (90% chance before)November 2

See the State Line planting calendar →