London, KY 40741 Frost Dates
Frost dates for London, KY, ZIP 40741
Typically, the last spring freeze lands around 04/15, roughly 230 days out. The first fall frost typically arrives around 10/25, about 192 frost-free days later.
London 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 London 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
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 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 London compares
At roughly 192 frost-free days, London places 20,244 of 40,283 ZIP codes in this dataset. Within KY, it ranks 440 of 909.
Learn more
the frost range explains how to read the range around London's dates instead of trusting one, and local microclimates explains what one yard in London can differ from the 40741 normal.