Jamestown, KY 42741 Frost Dates
Frost dates for Jamestown, KY, ZIP 42741
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/24, about 189 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 Jamestown, not a forecast for this year.
What to do before the first frost
Zone 7a around Jamestown 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
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 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 Jamestown compares
About 189 days separate Jamestown's last and first frost, putting it 21,611 of 40,283 ZIP codes nationally. Within KY, it ranks 568 of 909.
Learn more
zone vs. frost date explains why Zone 7a and Jamestown's frost date answer different questions, and the frost range explains how to read the range around Jamestown's dates instead of trusting one.