Frost dates in Johnson County, Tennessee
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The average last spring frost in Johnson County falls Apr 18 to Apr 27 and the average first fall frost Oct 14 to Oct 24, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a. Places: Butler, Mountain City. 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 |
|---|---|---|---|---|
| 37640 | Butler | Apr 18 | Oct 24 | 7a |
| 37680 | Apr 27 | Oct 14 | 7a | |
| 37683 | Mountain City | Apr 27 | Oct 14 | 7a |
| 37688 | Apr 27 | Oct 14 | 7a | |
| 37691 | Apr 27 | Oct 14 | 7a |
Nearby counties
Carter County Sullivan County Washington County Unicoi County Hawkins County Greene County
All Tennessee counties · Download Tennessee frost dates (CSV)
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