Barbourville, KY 40946 Frost Dates
Frost dates for Barbourville, KY, ZIP 40946
The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/24, about 187 frost-free days later.
Barbourville 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 Barbourville 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
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Barbourville compares
Barbourville's growing season runs about 187 days, ranking 22,386 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 658 of 909.
Learn more
local microclimates explains what one yard in Barbourville can differ from the 40946 normal, and zone vs. frost date explains why Zone 7a and Barbourville's frost date answer different questions.