Frost dates in Quincy, IL
The average last spring frost in Quincy is around April 7 and the first fall frost is around October 29. That gives Quincy an average growing season of about 205 days.
Last spring frost
| Early (10% chance after) | March 24 |
|---|---|
| Average (50%) | April 7 |
| Late (90%) | April 21 |
First fall frost
| Early (10%) | October 12 |
|---|---|
| Average (50%) | October 29 |
| Late (90% chance before) | November 10 |