Frost dates in Deer Park, MD
The average last spring frost in Deer Park is around May 21 and the first fall frost is around September 26. That gives Deer Park an average growing season of about 128 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 21 |
| Late (90%) | June 6 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 26 |
| Late (90% chance before) | October 12 |