Frost dates in Oacoma, SD
The average last spring frost in Oacoma is around May 10 and the first fall frost is around October 6. That gives Oacoma an average growing season of about 149 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 19 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 6 |
| Late (90% chance before) | October 18 |