Frost dates in Morro Bay, CA

The average last spring frost in Morro Bay is around February 6 and the first fall frost is around December 9. That gives Morro Bay an average growing season of about 307 days.

Last spring frost

Early (10% chance after)January 8
Average (50%)February 6
Late (90%)March 11

First fall frost

Early (10%)November 20
Average (50%)December 9
Late (90% chance before)December 26

See the Morro Bay planting calendar →