FrostDateCheck

Grand Rivers, KY 42044 Frost Dates

Frost dates for Grand Rivers, KY, ZIP 42044

Zone 7a

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.

Grand Rivers 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 Grand Rivers 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.

Why 04/09 isn't a guarantee

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 Grand Rivers compares

Grand Rivers's growing season runs about 192 days, ranking 20,548 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 469 of 909.

Learn more

local microclimates explains what one yard in Grand Rivers can differ from the 42044 normal, and zone vs. frost date explains why Zone 7a and Grand Rivers's frost date answer different questions.