Frost dates in Woodstock, IL
The average last spring frost in Woodstock is around April 26 and the first fall frost is around October 30. That gives Woodstock an average growing season of about 187 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 15 |
|---|---|
| Average (50%) | October 30 |
| Late (90% chance before) | November 12 |