Frost dates in Brookings County, South Dakota
The average last spring frost in Brookings County falls May 3 to May 6 and the average first fall frost Oct 1 to Oct 3, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Aurora, Brookings, Bruce, Elkton, Sinai, Volga. 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 |
|---|---|---|---|---|
| 57002 | Aurora | May 6 | Oct 1 | 4b |
| 57006 | Brookings | May 6 | Oct 1 | 4b |
| 57007 | Brookings | May 6 | Oct 1 | 4b |
| 57026 | Elkton | May 5 | Oct 1 | 4b |
| 57061 | Sinai | May 3 | Oct 2 | 4b |
| 57071 | Volga | May 6 | Oct 1 | 4b |
| 57220 | Bruce | May 6 | Oct 1 | 4b |
| 57276 | White | May 6 | Oct 3 | 4b |
Nearby counties
Moody County Lake County Deuel County Kingsbury County Hamlin County Minnehaha County
All South Dakota counties · Download South Dakota frost dates (CSV)
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