Frost dates in Chattanooga, TN

The average last spring frost in Chattanooga is around March 31 and the first fall frost is around November 4. That gives Chattanooga an average growing season of about 218 days.

Last spring frost

Early (10% chance after)March 14
Average (50%)March 31
Late (90%)April 15

First fall frost

Early (10%)October 22
Average (50%)November 4
Late (90% chance before)November 17

See the Chattanooga planting calendar →