Frost dates in Jefferson, TX
The average last spring frost in Jefferson is around March 21 and the first fall frost is around November 6. That gives Jefferson an average growing season of about 230 days.
Last spring frost
| Early (10% chance after) | February 26 |
|---|---|
| Average (50%) | March 21 |
| Late (90%) | April 9 |
First fall frost
| Early (10%) | October 20 |
|---|---|
| Average (50%) | November 6 |
| Late (90% chance before) | December 1 |