Frost dates in Ross, CA

The average last spring frost in Ross is around February 27 and the first fall frost is around November 28. That gives Ross an average growing season of about 275 days.

Last spring frost

Early (10% chance after)January 10
Average (50%)February 27
Late (90%)April 10

First fall frost

Early (10%)November 5
Average (50%)November 28
Late (90% chance before)December 22

See the Ross planting calendar →