Frost dates in Mission, SD
The average last spring frost in Mission is around May 12 and the first fall frost is around September 25. That gives Mission an average growing season of about 136 days.
Last spring frost
| Early (10% chance after) | April 26 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 10 |