Frost dates in Oblong, IL
The average last spring frost in Oblong is around April 15 and the first fall frost is around October 22. That gives Oblong an average growing season of about 190 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | April 15 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 7 |