Frost dates in Colusa, CA

The average last spring frost in Colusa is around March 5 and the first fall frost is around November 18. That gives Colusa an average growing season of about 258 days.

Last spring frost

Early (10% chance after)January 14
Average (50%)March 5
Late (90%)April 17

First fall frost

Early (10%)November 2
Average (50%)November 18
Late (90% chance before)December 7

See the Colusa planting calendar →