Frost dates in Benton Harbor, MI
The average last spring frost in Benton Harbor is around May 6 and the first fall frost is around October 13. That gives Benton Harbor an average growing season of about 160 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 6 |
| Late (90%) | May 27 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | November 2 |