Frost dates in Sierra Vista, AZ

The average last spring frost in Sierra Vista is around March 27 and the first fall frost is around November 16. That gives Sierra Vista an average growing season of about 234 days.

Last spring frost

Early (10% chance after)February 18
Average (50%)March 27
Late (90%)April 11

First fall frost

Early (10%)October 28
Average (50%)November 16
Late (90% chance before)December 1

See the Sierra Vista planting calendar →