Frost dates in Hosmer, SD
The average last spring frost in Hosmer is around May 11 and the first fall frost is around September 28. That gives Hosmer an average growing season of about 140 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 28 |
| Late (90% chance before) | October 15 |