Frost dates in National City, CA

The average last spring frost in National City is around January 24 and the first fall frost is around December 18. That gives National City an average growing season of about 329 days.

Last spring frost

Early (10% chance after)January 2
Average (50%)January 24
Late (90%)February 28

First fall frost

Early (10%)November 29
Average (50%)December 18
Late (90% chance before)December 25

See the National City planting calendar →