Frost dates in Lyman County, South Dakota
The average last spring frost in Lyman County falls May 1 to May 12 and the average first fall frost Sep 28 to Oct 7, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 5a. Places: Kennebec, Oacoma, Presho, Reliance, Vivian, West Brule. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 57365 | Oacoma | May 1 | Oct 7 | 5a |
| 57544 | Kennebec | May 12 | Sep 28 | 5a |
| 57548 | West Brule | May 6 | Oct 5 | 4b |
| 57568 | Presho | May 12 | Sep 29 | 5a |
| 57569 | Reliance | May 1 | Oct 7 | 5a |
| 57576 | Vivian | May 6 | Oct 7 | 5a |
Nearby counties
Buffalo County Brule County Tripp County Hyde County Hughes County Jones County
All South Dakota counties · Download South Dakota frost dates (CSV)
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