Frost dates in Denison, TX

The average last spring frost in Denison is around March 20 and the first fall frost is around November 13. That gives Denison an average growing season of about 238 days.

Last spring frost

Early (10% chance after)February 26
Average (50%)March 20
Late (90%)April 10

First fall frost

Early (10%)October 30
Average (50%)November 13
Late (90% chance before)December 4

See the Denison planting calendar →