Frost dates in McKinney, TX
The average last spring frost in McKinney is around March 17 and the first fall frost is around November 11. That gives McKinney an average growing season of about 239 days.
Last spring frost
| Early (10% chance after) | February 26 |
|---|---|
| Average (50%) | March 17 |
| Late (90%) | April 16 |
First fall frost
| Early (10%) | October 27 |
|---|---|
| Average (50%) | November 11 |
| Late (90% chance before) | November 30 |