Frost dates in San Luis, AZ
The average last spring frost in San Luis is around February 4 and the first fall frost is around December 26. That gives San Luis an average growing season of about 326 days.
Last spring frost
| Early (10% chance after) | January 16 |
|---|---|
| Average (50%) | February 4 |
| Late (90%) | February 12 |
First fall frost
| Early (10%) | December 24 |
|---|---|
| Average (50%) | December 26 |
| Late (90% chance before) | December 30 |