Frost dates in Crawfordsville, IA
The average last spring frost in Crawfordsville is around April 23 and the first fall frost is around October 11. That gives Crawfordsville an average growing season of about 171 days.
Last spring frost
| Early (10% chance after) | April 10 |
|---|---|
| Average (50%) | April 23 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 26 |