FrostDateCheck

Shelbyville, KY 40065 Frost Dates

Frost dates for Shelbyville, KY, ZIP 40065

Zone 6b

The last spring frost here typically falls around 05/01, about 246 days from today. The first fall frost typically arrives around 10/10, about 161 frost-free days later.

Shelbyville sits in USDA Zone 6b (-5 to 0°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 6b around Shelbyville has about 6 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 Shelbyville's last frost

05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Shelbyville compares

Shelbyville's growing season runs about 161 days, ranking 31,983 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 900 of 909.

Learn more

the frost range explains how to read the range around Shelbyville's dates instead of trusting one, and local microclimates explains what one yard in Shelbyville can differ from the 40065 normal.