Frost dates in Owasso, OK

The average last spring frost in Owasso is around March 30 and the first fall frost is around November 5. That gives Owasso an average growing season of about 220 days.

Last spring frost

Early (10% chance after)March 17
Average (50%)March 30
Late (90%)April 14

First fall frost

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

See the Owasso planting calendar →