Frost dates in Lawrence County, South Dakota
The average last spring frost in Lawrence County falls May 8 to May 20 and the average first fall frost Sep 25 to Oct 3, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Crook City, Deadwood, Lead, Spearfish, St. Onge. 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 |
|---|---|---|---|---|
| 57732 | Deadwood | May 18 | Sep 29 | 5a |
| 57754 | Lead | May 18 | Sep 29 | 5a |
| 57759 | May 20 | Sep 25 | 5a | |
| 57779 | St. Onge | May 12 | Oct 2 | 5b |
| 57783 | Spearfish | May 12 | Oct 2 | 5b |
| 57793 | Crook City | May 8 | Oct 3 | 5a |
| 57799 | Spearfish | May 12 | Oct 2 | 5b |
Nearby counties
Butte County Meade County Pennington County Custer County Fall River County Harding County
All South Dakota counties · Download South Dakota frost dates (CSV)
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