Frost dates in Prescott, AZ
The average last spring frost in Prescott is around May 13 and the first fall frost is around October 13. That gives Prescott an average growing season of about 153 days.
Last spring frost
| Early (10% chance after) | April 21 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | June 2 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | November 1 |