Frost dates in Sioux County, Nebraska
The average last spring frost in Sioux County falls May 7 to May 20 and the average first fall frost Sep 21 to Oct 2, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Harrison, Mitchell, Morrill, Scottsbluff. 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 |
|---|---|---|---|---|
| 69346 | Harrison | May 20 | Sep 21 | 5a |
| 69354 | May 13 | Oct 2 | 5a | |
| 69357 | Mitchell | May 7 | Oct 2 | 5a |
| 69358 | Morrill | May 11 | Sep 29 | 5a |
| 69361 | Scottsbluff | May 13 | Oct 2 | 5a |
Nearby counties
Scotts Bluff County Box Butte County Dawes County Banner County Morrill County Sheridan County
All Nebraska counties · Download Nebraska frost dates (CSV)
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