Frost dates in Union County, Tennessee
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The average last spring frost in Union County falls Apr 22 and the average first fall frost Oct 25, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7b. Places: Luttrell, Maynardville. 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 |
|---|---|---|---|---|
| 37779 | Luttrell | Apr 22 | Oct 25 | 7b |
| 37807 | Maynardville | Apr 22 | Oct 25 | 7b |
| 37866 | Apr 22 | Oct 25 | 7b |
Nearby counties
Grainger County Claiborne County Anderson County Knox County Campbell County Jefferson County
All Tennessee counties · Download Tennessee frost dates (CSV)
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