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 |