Frost dates in Rio Grande, OH
The average last spring frost in Rio Grande is around April 24 and the first fall frost is around October 17. That gives Rio Grande an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 10 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | November 3 |