Frost dates in De Soto, IL
The average last spring frost in De Soto is around April 8 and the first fall frost is around October 19. That gives De Soto an average growing season of about 194 days.
Last spring frost
| Early (10% chance after) | March 25 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 20 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | November 1 |