Frost dates in Thornton, AR

The average last spring frost in Thornton is around March 25 and the first fall frost is around November 5. That gives Thornton an average growing season of about 225 days.

Last spring frost

Early (10% chance after)March 7
Average (50%)March 25
Late (90%)April 11

First fall frost

Early (10%)October 21
Average (50%)November 5
Late (90% chance before)November 24

See the Thornton planting calendar →