Frost dates in Edgemont, SD
The average last spring frost in Edgemont is around May 14 and the first fall frost is around September 23. That gives Edgemont an average growing season of about 132 days.
Last spring frost
| Early (10% chance after) | May 3 |
|---|---|
| Average (50%) | May 14 |
| Late (90%) | May 24 |
First fall frost
| Early (10%) | September 7 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 7 |