Frost dates in Johnson City, OR

The average last spring frost in Johnson City is around April 2 and the first fall frost is around November 9. That gives Johnson City an average growing season of about 221 days.

Last spring frost

Early (10% chance after)February 19
Average (50%)April 2
Late (90%)April 22

First fall frost

Early (10%)October 21
Average (50%)November 9
Late (90% chance before)December 8

See the Johnson City planting calendar →