Monticello, KY 42633 Frost Dates
Frost dates for Monticello, KY, ZIP 42633
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/26, about 190 frost-free days later.
Monticello 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 Monticello 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
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 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 Monticello compares
About 190 days separate Monticello's last and first frost, putting it 21,144 of 40,283 ZIP codes nationally. Within KY, it ranks 542 of 909.
Learn more
zone vs. frost date explains why Zone 7a and Monticello's frost date answer different questions, and the frost range explains how to read the range around Monticello's dates instead of trusting one.