Frost dates in Jerome, IL
The average last spring frost in Jerome is around April 14 and the first fall frost is around October 28. That gives Jerome an average growing season of about 197 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 14 |
| Late (90%) | April 21 |
First fall frost
| Early (10%) | October 13 |
|---|---|
| Average (50%) | October 28 |
| Late (90% chance before) | October 31 |