Frost dates in Surprise, AZ
The average last spring frost in Surprise is around February 25 and the first fall frost is around December 3. That gives Surprise an average growing season of about 282 days.
Last spring frost
| Early (10% chance after) | January 22 |
|---|---|
| Average (50%) | February 25 |
| Late (90%) | March 26 |
First fall frost
| Early (10%) | November 13 |
|---|---|
| Average (50%) | December 3 |
| Late (90% chance before) | December 26 |