Frost dates in Baltimore, MD
The average last spring frost in Baltimore is around March 19 and the first fall frost is around November 28. That gives Baltimore an average growing season of about 254 days.
Last spring frost
| Early (10% chance after) | March 3 |
|---|---|
| Average (50%) | March 19 |
| Late (90%) | March 30 |
First fall frost
| Early (10%) | November 10 |
|---|---|
| Average (50%) | November 28 |
| Late (90% chance before) | December 19 |