Frost dates in Denison, TX
The average last spring frost in Denison is around March 20 and the first fall frost is around November 13. That gives Denison an average growing season of about 238 days.
Last spring frost
| Early (10% chance after) | February 26 |
|---|---|
| Average (50%) | March 20 |
| Late (90%) | April 10 |
First fall frost
| Early (10%) | October 30 |
|---|---|
| Average (50%) | November 13 |
| Late (90% chance before) | December 4 |