Frost dates in Rock Hall, MD
The average last spring frost in Rock Hall is around April 10 and the first fall frost is around November 2. That gives Rock Hall an average growing season of about 206 days.
Last spring frost
| Early (10% chance after) | March 27 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 19 |
First fall frost
| Early (10%) | October 20 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 13 |