Frost dates in Healdsburg, CA

The average last spring frost in Healdsburg is around March 9 and the first fall frost is around November 20. That gives Healdsburg an average growing season of about 256 days.

Last spring frost

Early (10% chance after)January 22
Average (50%)March 9
Late (90%)April 21

First fall frost

Early (10%)October 26
Average (50%)November 20
Late (90% chance before)December 12

See the Healdsburg planting calendar →