Frost dates in Springport, MI
The average last spring frost in Springport is around April 26 and the first fall frost is around October 20. That gives Springport an average growing season of about 177 days.
Last spring frost
| Early (10% chance after) | March 29 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | October 3 |
|---|---|
| Average (50%) | October 20 |
| Late (90% chance before) | November 5 |