Frost dates in Unity, OR

The average last spring frost in Unity is around July 19 and the first fall frost is around August 12. That gives Unity an average growing season of about 24 days.

Last spring frost

Early (10% chance after)June 18
Average (50%)July 19
Late (90%)July 31

First fall frost

Early (10%)August 1
Average (50%)August 12
Late (90% chance before)September 3

See the Unity planting calendar →