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 |