Sevierville, TN 37864 Frost Dates
Frost dates for Sevierville, TN, ZIP 37864
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 10/29, about 205 frost-free days later.
Sevierville sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 7b around Sevierville has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/06 isn't a guarantee
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sevierville compares
At roughly 205 frost-free days, Sevierville places 16,193 of 40,283 ZIP codes in this dataset. Within TN, it ranks 445 of 770.
Learn more
local microclimates explains what one yard in Sevierville can differ from the 37864 normal, and zone vs. frost date explains why Zone 7b and Sevierville's frost date answer different questions.