Frost dates in Franklin, ID

The average last spring frost in Franklin is around May 18 and the first fall frost is around September 25. That gives Franklin an average growing season of about 130 days.

Last spring frost

Early (10% chance after)April 30
Average (50%)May 18
Late (90%)June 15

First fall frost

Early (10%)September 9
Average (50%)September 25
Late (90% chance before)October 11

See the Franklin planting calendar →