Frost dates in Summit, OK

The average last spring frost in Summit is around March 28 and the first fall frost is around November 2. That gives Summit an average growing season of about 219 days.

Last spring frost

Early (10% chance after)March 15
Average (50%)March 28
Late (90%)April 15

First fall frost

Early (10%)October 17
Average (50%)November 2
Late (90% chance before)November 23

See the Summit planting calendar →