Roberts County, South Dakota
Local growing conditions for Roberts County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 8 ZIP codes in our data.
Hardiness zones in Roberts County
Roberts County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Roberts County for its live forecast, frost dates, and planting calendar:
Browns Valley 56219
Wilmot 57279
Claire City 57224
Corona 57227
New Effington 57255
Agency Village 57257
Rosholt 57260
Sisseton 57262
More for South Dakota
- Agriculture in South Dakota
- Frost dates across South Dakota
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in South Dakota
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.