Frost dates in Tucson, AZ
The average last spring frost in Tucson is around February 27 and the first fall frost is around November 29. That gives Tucson an average growing season of about 276 days.
Last spring frost
| Early (10% chance after) | January 22 |
|---|---|
| Average (50%) | February 27 |
| Late (90%) | March 19 |
First fall frost
| Early (10%) | November 16 |
|---|---|
| Average (50%) | November 29 |
| Late (90% chance before) | December 19 |