Frost dates in Stanley County, South Dakota

Jagged badland formations above a grassy plain in Badlands National Park, South Dakota — Photo: DimiTalen, CC0, via Wikimedia Commons

The average last spring frost in Stanley County falls May 6 to May 10 and the average first fall frost Sep 27 to Oct 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Fort Pierre. 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
57532	Fort Pierre	May 10	Sep 27	4b
57537		May 6	Oct 4	4b

Nearby counties

Haakon County Jones County Hughes County Sully County Ziebach County Dewey County

All South Dakota counties · Download South Dakota frost dates (CSV)

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