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South Dakota: first snow, freeze dates and white Christmas odds
Snow and freeze history for 5 NOAA weather stations in South Dakota, computed from 1995–2024 daily records. The earliest typical first snow among them is Aberdeen (median Nov 2). The best white Christmas odds are at Watertown (76%).
| City | First measurable snow (median) | First 1"+ snow (median) | White Christmas chance | Avg snowfall / season | First fall freeze (median) | Last spring freeze (median) |
|---|---|---|---|---|---|---|
| Aberdeen | Nov 2 | Nov 19 | 60% | 40.2" | Sep 26 | May 12 |
| Huron | Nov 6 | Nov 10 | 63% | 41.5" | Oct 4 | May 9 |
| Pierre | – | – | – | – | Oct 6 | May 11 |
| Sioux Falls | Nov 6 | Nov 12 | 47% | 43.0" | Oct 3 | May 1 |
| Watertown | Nov 6 | Nov 17 | 76% | 40.6" | Sep 30 | May 9 |
Planning for winter? Heat pump vs gas furnace, propane and oil: heating cost in South Dakota (on our sister site PlugVsPump, from EIA prices).