Frost dates in Martinsburg, WV
The average last spring frost in Martinsburg is around April 20 and the first fall frost is around October 23. That gives Martinsburg an average growing season of about 186 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | May 6 |
First fall frost
| Early (10%) | October 12 |
|---|---|
| Average (50%) | October 23 |
| Late (90% chance before) | November 2 |