Frost dates in Martin, SD
The average last spring frost in Martin is around May 14 and the first fall frost is around September 28. That gives Martin an average growing season of about 137 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 14 |
| Late (90%) | June 1 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 28 |
| Late (90% chance before) | October 8 |