Frost dates in Union Bridge, MD
The average last spring frost in Union Bridge is around April 29 and the first fall frost is around October 15. That gives Union Bridge an average growing season of about 169 days.
Last spring frost
| Early (10% chance after) | April 8 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | September 27 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | November 2 |