Frost dates in Dupree, SD
The average last spring frost in Dupree is around May 13 and the first fall frost is around September 25. That gives Dupree an average growing season of about 135 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 27 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 7 |