Frost dates in Gilroy, CA

The average last spring frost in Gilroy is around February 22 and the first fall frost is around November 24. That gives Gilroy an average growing season of about 276 days.

Last spring frost

Early (10% chance after)January 22
Average (50%)February 22
Late (90%)March 30

First fall frost

Early (10%)November 5
Average (50%)November 24
Late (90% chance before)December 18

See the Gilroy planting calendar →