Frost dates in Marquette, IA
The average last spring frost in Marquette is around April 28 and the first fall frost is around October 8. That gives Marquette an average growing season of about 163 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 23 |