Frost dates in Plano, TX
The average last spring frost in Plano is around March 4 and the first fall frost is around November 24. That gives Plano an average growing season of about 265 days.
Last spring frost
| Early (10% chance after) | February 13 |
|---|---|
| Average (50%) | March 4 |
| Late (90%) | March 21 |
First fall frost
| Early (10%) | November 10 |
|---|---|
| Average (50%) | November 24 |
| Late (90% chance before) | December 6 |