Frost dates in Mount Airy, MD
The average last spring frost in Mount Airy is around April 12 and the first fall frost is around October 29. That gives Mount Airy an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 29 |
|---|---|
| Average (50%) | April 12 |
| Late (90%) | May 8 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 29 |
| Late (90% chance before) | November 10 |