Lake County, South Dakota

Local growing conditions for Lake County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 7 ZIP codes in our data.

Hardiness zones in Lake County

Lake County spans these USDA plant hardiness zones (by number of ZIP codes):

Zone 4 (7)

Local weather & frost dates

Open any community in Lake County for its live forecast, frost dates, and planting calendar:

Winfred 57076 Chester 57016 Madison 57042 Nunda 57050 Ramona 57054 Nunda 57057 Wentworth 57075

More for South Dakota

Agriculture in South Dakota
Frost dates across South Dakota
USDA hardiness zones explained
Planting calendar by ZIP code

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County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.