Frost dates in Marion, MI
The average last spring frost in Marion is around May 26 and the first fall frost is around September 21. That gives Marion an average growing season of about 118 days.
Last spring frost
| Early (10% chance after) | May 11 |
|---|---|
| Average (50%) | May 26 |
| Late (90%) | June 14 |
First fall frost
| Early (10%) | September 3 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 6 |