Frost dates in Shoshone, ID

The average last spring frost in Shoshone is around May 19 and the first fall frost is around September 23. That gives Shoshone an average growing season of about 127 days.

Last spring frost

Early (10% chance after)April 25
Average (50%)May 19
Late (90%)June 11

First fall frost

Early (10%)September 5
Average (50%)September 23
Late (90% chance before)October 13

See the Shoshone planting calendar →