Frost dates in Niles, OH
The average last spring frost in Niles is around May 13 and the first fall frost is around October 7. That gives Niles an average growing season of about 147 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 22 |