Frost dates in Tombstone, AZ

The average last spring frost in Tombstone is around March 27 and the first fall frost is around November 18. That gives Tombstone an average growing season of about 236 days.

Last spring frost

Early (10% chance after)February 17
Average (50%)March 27
Late (90%)April 19

First fall frost

Early (10%)October 30
Average (50%)November 18
Late (90% chance before)December 10

See the Tombstone planting calendar →