Frost dates in Lemmon, SD
The average last spring frost in Lemmon is around May 13 and the first fall frost is around September 24. That gives Lemmon an average growing season of about 134 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 24 |
| Late (90% chance before) | October 10 |