Copperhill, TN 30555 Frost Dates
Frost dates for Copperhill, TN, ZIP 30555
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/01, about 212 frost-free days later.
Copperhill 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 Copperhill 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.
The actual range around Copperhill's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 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 Copperhill compares
Copperhill's growing season runs about 212 days, ranking 14,665 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 288 of 770.
Learn more
the frost range explains how to read the range around Copperhill's dates instead of trusting one, and local microclimates explains what one yard in Copperhill can differ from the 30555 normal.