Frost dates in Mount Jackson, VA
The average last spring frost in Mount Jackson is around April 29 and the first fall frost is around October 16. That gives Mount Jackson an average growing season of about 170 days.
Last spring frost
| Early (10% chance after) | April 12 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 16 |
| Late (90% chance before) | October 27 |