Frost dates in New Carrollton, MD
The average last spring frost in New Carrollton is around April 30 and the first fall frost is around October 11. That gives New Carrollton an average growing season of about 164 days.
Last spring frost
| Early (10% chance after) | April 15 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | September 29 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 25 |