Frost dates in Dorchester County, South Carolina

Congaree River with a sandbar and lush bottomland forest, South Carolina — Photo: Congaree National Park from Hopkins, SC, USA, CC BY 2.0, via Wikimedia Commons

The average last spring frost in Dorchester County falls Mar 7 to Mar 22 and the average first fall frost Nov 12 to Nov 27, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 8b to 9a. Places: Harleyville, North Charleston, Reevesville, Ridgeville, St. George, Summerville. 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
29420	North Charleston	Mar 7	Nov 27	9a
29437		Mar 22	Nov 12	8b
29448	Harleyville	Mar 22	Nov 12	8b
29471	Reevesville	Mar 19	Nov 12	8b
29472	Ridgeville	Mar 22	Nov 12	8b
29477	St. George	Mar 22	Nov 12	8b
29483	Summerville	Mar 22	Nov 12	8b
29485	North Charleston	Mar 22	Nov 12	8b

Nearby counties

Colleton County Berkeley County Charleston County Orangeburg County Calhoun County Bamberg County

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

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