Nortonville, KY 42442 Frost Dates
Frost dates for Nortonville, KY, ZIP 42442
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 11/01, about 212 frost-free days later.
Nortonville 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 Nortonville 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 Nortonville's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Nortonville compares
About 212 days separate Nortonville's last and first frost, putting it 14,636 of 40,283 ZIP codes nationally. Within KY, it ranks 96 of 909.
Learn more
zone vs. frost date explains why Zone 7a and Nortonville's frost date answer different questions, and the frost range explains how to read the range around Nortonville's dates instead of trusting one.