Frost dates in Havre de Grace, MD
The average last spring frost in Havre de Grace is around April 11 and the first fall frost is around October 31. That gives Havre de Grace an average growing season of about 203 days.
Last spring frost
| Early (10% chance after) | March 30 |
|---|---|
| Average (50%) | April 11 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 15 |
|---|---|
| Average (50%) | October 31 |
| Late (90% chance before) | November 11 |