Frost dates in Winchester, OK

The average last spring frost in Winchester is around April 2 and the first fall frost is around October 29. That gives Winchester an average growing season of about 210 days.

Last spring frost

Early (10% chance after)March 14
Average (50%)April 2
Late (90%)April 17

First fall frost

Early (10%)October 11
Average (50%)October 29
Late (90% chance before)November 15

See the Winchester planting calendar →