Frost dates in Brooklyn, IL
The average last spring frost in Brooklyn is around March 31 and the first fall frost is around November 6. That gives Brooklyn an average growing season of about 220 days.
Last spring frost
| Early (10% chance after) | March 16 |
|---|---|
| Average (50%) | March 31 |
| Late (90%) | April 12 |
First fall frost
| Early (10%) | October 25 |
|---|---|
| Average (50%) | November 6 |
| Late (90% chance before) | November 22 |