Frost dates in Warrenton, VA
The average last spring frost in Warrenton is around April 11 and the first fall frost is around October 31. That gives Warrenton an average growing season of about 203 days.
Last spring frost
| Early (10% chance after) | March 29 |
|---|---|
| Average (50%) | April 11 |
| Late (90%) | April 26 |
First fall frost
| Early (10%) | October 16 |
|---|---|
| Average (50%) | October 31 |
| Late (90% chance before) | November 13 |