Frost dates in St. Francisville, IL
The average last spring frost in St. Francisville is around April 7 and the first fall frost is around October 27. That gives St. Francisville an average growing season of about 203 days.
Last spring frost
| Early (10% chance after) | March 21 |
|---|---|
| Average (50%) | April 7 |
| Late (90%) | April 22 |
First fall frost
| Early (10%) | October 11 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 10 |