Frost dates in Salem, SD
The average last spring frost in Salem is around May 12 and the first fall frost is around October 7. That gives Salem an average growing season of about 148 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 20 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 15 |