Mayfield, KY 42063 Frost Dates
Frost dates for Mayfield, KY, ZIP 42063
Typically, the last spring freeze lands around 04/09, roughly 224 days out. The first fall frost typically arrives around 10/19, about 192 frost-free days later.
Mayfield 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 Mayfield has about 7 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 Mayfield's last frost
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mayfield compares
About 192 days separate Mayfield's last and first frost, putting it 20,222 of 40,283 ZIP codes nationally. Within KY, it ranks 433 of 909.
Learn more
the frost range explains how to read the range around Mayfield's dates instead of trusting one, and local microclimates explains what one yard in Mayfield can differ from the 42063 normal.