Frost dates in Jacksonville, OR

The average last spring frost in Jacksonville is around April 25 and the first fall frost is around October 22. That gives Jacksonville an average growing season of about 180 days.

Last spring frost

Early (10% chance after)April 1
Average (50%)April 25
Late (90%)May 10

First fall frost

Early (10%)October 6
Average (50%)October 22
Late (90% chance before)November 9

See the Jacksonville planting calendar →