Frost dates in Putnam, OK

The average last spring frost in Putnam is around April 10 and the first fall frost is around October 27. That gives Putnam an average growing season of about 200 days.

Last spring frost

Early (10% chance after)March 13
Average (50%)April 10
Late (90%)April 22

First fall frost

Early (10%)October 11
Average (50%)October 27
Late (90% chance before)November 12

See the Putnam planting calendar →