Frost dates in Teton, ID

The average last spring frost in Teton is around June 7 and the first fall frost is around September 9. That gives Teton an average growing season of about 94 days.

Last spring frost

Early (10% chance after)May 14
Average (50%)June 7
Late (90%)June 30

First fall frost

Early (10%)August 24
Average (50%)September 9
Late (90% chance before)September 23

See the Teton planting calendar →