Frost dates in Mammoth, AZ
The average last spring frost in Mammoth is around April 6 and the first fall frost is around November 6. That gives Mammoth an average growing season of about 214 days.
Last spring frost
| Early (10% chance after) | March 11 |
|---|---|
| Average (50%) | April 6 |
| Late (90%) | May 3 |
First fall frost
| Early (10%) | October 19 |
|---|---|
| Average (50%) | November 6 |
| Late (90% chance before) | November 20 |