Frost dates in Carthage, SD
The average last spring frost in Carthage is around May 12 and the first fall frost is around September 27. That gives Carthage an average growing season of about 138 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 13 |