Frost dates in Custer County, South Dakota
The average last spring frost in Custer County falls May 12 to May 23 and the average first fall frost Sep 24 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Custer, Fairburn, Hermosa, Pringle. 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 |
|---|---|---|---|---|
| 57730 | Custer | May 23 | Sep 24 | 5a |
| 57738 | Fairburn | May 15 | Sep 29 | 5a |
| 57744 | Hermosa | May 12 | Oct 1 | 5a |
| 57773 | Pringle | May 15 | Sep 29 | 5b |
Nearby counties
Fall River County Pennington County Oglala Lakota County Lawrence County Meade County Butte County
All South Dakota counties · Download South Dakota frost dates (CSV)
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