Frost dates in Midland, SD
The average last spring frost in Midland is around May 15 and the first fall frost is around September 21. That gives Midland an average growing season of about 129 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 15 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 10 |
|---|---|
| Average (50%) | September 21 |
| Late (90% chance before) | October 8 |