Frost dates in Unicoi, TN

The average last spring frost in Unicoi is around April 17 and the first fall frost is around October 23. That gives Unicoi an average growing season of about 189 days.

Last spring frost

Early (10% chance after)April 2
Average (50%)April 17
Late (90%)May 7

First fall frost

Early (10%)October 8
Average (50%)October 23
Late (90% chance before)November 4

See the Unicoi planting calendar →