Corbin, KY 40737 Frost Dates
Frost dates for Corbin, KY, ZIP 40737
Around 04/15 is the usual last spring frost, about 230 days away. The first fall frost typically arrives around 10/25, about 192 frost-free days later.
The USDA Plant Hardiness Zone Map puts Corbin in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7a around Corbin 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.
Why 04/15 isn't a guarantee
04/15 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. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Corbin compares
At roughly 192 frost-free days, Corbin places 20,238 of 40,283 ZIP codes in this dataset. Within KY, it ranks 437 of 909.
Learn more
local microclimates explains what one yard in Corbin can differ from the 40737 normal, and zone vs. frost date explains why Zone 7a and Corbin's frost date answer different questions.