Crossville, TN 38557 Frost Dates
Frost dates for Crossville, TN, ZIP 38557
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/23, about 189 frost-free days later.
Crossville sits in USDA Zone 7a (0 to 5°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 7a around Crossville has about 8 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.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Crossville compares
At roughly 189 frost-free days, Crossville places 21,456 of 40,283 ZIP codes in this dataset. Within TN, it ranks 673 of 770.
Learn more
local microclimates explains what one yard in Crossville can differ from the 38557 normal, and zone vs. frost date explains why Zone 7a and Crossville's frost date answer different questions.