Guthrie, KY 42204 Frost Dates
Frost dates for Guthrie, KY, ZIP 42204
The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 10/29, about 207 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Guthrie, not a forecast for this year.
What to do before the first frost
Zone 7a around Guthrie 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.
The actual range around Guthrie's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Guthrie compares
Guthrie's growing season runs about 207 days, ranking 15,845 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 171 of 909.
Learn more
local microclimates explains what one yard in Guthrie can differ from the 42204 normal, and zone vs. frost date explains why Zone 7a and Guthrie's frost date answer different questions.