Clarksville, TN 37042 Frost Dates
Frost dates for Clarksville, TN, ZIP 37042
The last spring frost here typically falls around 04/06, about 221 days from today. The first fall frost typically arrives around 10/28, about 204 frost-free days later.
Clarksville 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 Clarksville 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.
How much risk comes with planting early here
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Clarksville compares
Clarksville's growing season runs about 204 days, ranking 16,450 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 453 of 770.
Learn more
zone vs. frost date explains why Zone 7b and Clarksville's frost date answer different questions, and the frost range explains how to read the range around Clarksville's dates instead of trusting one.