Frost dates in Williamson, WV
The average last spring frost in Williamson is around April 9 and the first fall frost is around November 2. That gives Williamson an average growing season of about 207 days.
Last spring frost
| Early (10% chance after) | April 2 |
|---|---|
| Average (50%) | April 9 |
| Late (90%) | April 24 |
First fall frost
| Early (10%) | October 22 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 14 |