Frost dates in Hamilton, IL
The average last spring frost in Hamilton is around April 10 and the first fall frost is around October 27. That gives Hamilton an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | March 29 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 22 |
First fall frost
| Early (10%) | October 11 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 9 |