Frost dates in Ashton, IL
The average last spring frost in Ashton is around April 30 and the first fall frost is around October 6. That gives Ashton an average growing season of about 159 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 19 |
|---|---|
| Average (50%) | October 6 |
| Late (90% chance before) | October 21 |