Frost dates in Smithsburg, MD
The average last spring frost in Smithsburg is around April 30 and the first fall frost is around October 23. That gives Smithsburg an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 5 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 21 |
First fall frost
| Early (10%) | October 13 |
|---|---|
| Average (50%) | October 23 |
| Late (90% chance before) | November 18 |