Frost dates in Waterloo, IN
The average last spring frost in Waterloo is around April 28 and the first fall frost is around October 22. That gives Waterloo an average growing season of about 177 days.
Last spring frost
| Early (10% chance after) | April 15 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 5 |