Frost dates in Olivet, SD
The average last spring frost in Olivet is around May 7 and the first fall frost is around September 29. That gives Olivet an average growing season of about 145 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 7 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 16 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 15 |