Grand Junction, TN 38039 Frost Dates
Frost dates for Grand Junction, TN, ZIP 38039
Around 04/01 is the usual last spring frost, about 216 days away. The first fall frost typically arrives around 11/03, about 217 frost-free days later.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Grand Junction, not a forecast for this year.
What to do before the first frost
Zone 7b around Grand Junction has about 10 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
04/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grand Junction compares
About 217 days separate Grand Junction's last and first frost, putting it 13,612 of 40,283 ZIP codes nationally. Within TN, it ranks 191 of 770.
Learn more
the frost range explains how to read the range around Grand Junction's dates instead of trusting one, and local microclimates explains what one yard in Grand Junction can differ from the 38039 normal.