Frost dates in Walworth County, South Dakota
The average last spring frost in Walworth County falls May 5 to May 8 and the average first fall frost Oct 1 to Oct 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Akaska, Glenham, Java, Selby. 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 |
|---|---|---|---|---|
| 57420 | Akaska | May 8 | Oct 1 | 4b |
| 57452 | Java | May 8 | Oct 1 | 4b |
| 57472 | Selby | May 8 | Oct 1 | 4b |
| 57631 | Glenham | May 5 | Oct 4 | 4b |
Nearby counties
Campbell County Potter County Edmunds County Dewey County McPherson County Sully County
All South Dakota counties · Download South Dakota frost dates (CSV)
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