Frost dates in Sullivan County, Tennessee
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The average last spring frost in Sullivan County falls Apr 9 to Apr 21 and the average first fall frost Oct 20 to Oct 29, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a to 7b. Places: Blountville, Bluff City, Bristol, Kingsport. 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 |
|---|---|---|---|---|
| 37617 | Blountville | Apr 16 | Oct 24 | 7b |
| 37618 | Bluff City | Apr 19 | Oct 24 | 7b |
| 37620 | Bristol | Apr 21 | Oct 20 | 7a |
| 37660 | Kingsport | Apr 9 | Oct 29 | 7b |
| 37663 | Kingsport | Apr 9 | Oct 29 | 7b |
| 37664 | Kingsport | Apr 9 | Oct 29 | 7b |
| 37665 | Kingsport | Apr 9 | Oct 29 | 7b |
| 37686 | Apr 16 | Oct 24 | 7b |
Nearby counties
Washington County Carter County Unicoi County Hawkins County Johnson County Greene County
All Tennessee counties · Download Tennessee frost dates (CSV)
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