Frost dates in Campbell 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 Campbell County falls May 8 and the average first fall frost Sep 30 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Herreid, Mound City. 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
57632	Herreid	May 8	Sep 30	4b
57646	Mound City	May 8	Oct 1	4b

Nearby counties

Walworth County McPherson County Edmunds County Potter County Corson County Dewey County

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

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