Lexington-Fayette urban county, KY 40555 Frost Dates
Frost dates for Lexington-Fayette urban county, KY, ZIP 40555
Typically, the last spring freeze lands around 04/13, roughly 228 days out. The first fall frost typically arrives around 10/28, about 196 frost-free days later.
Lexington-Fayette urban county 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 Lexington-Fayette urban county 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
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lexington-Fayette urban county compares
Lexington-Fayette urban county's growing season runs about 196 days, ranking 18,883 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 363 of 909.
Learn more
local microclimates explains what one yard in Lexington-Fayette urban county can differ from the 40555 normal, and zone vs. frost date explains why Zone 7a and Lexington-Fayette urban county's frost date answer different questions.