London, KY 40744 Frost Dates
40744, near London, KY: the frost window
Typically, the last spring freeze lands around 04/15, roughly 230 days out. Fall's first freeze usually shows up around 10/25, roughly 192 days after the last spring frost.
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.
Stretching the season past the first frost
London's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
London against the rest of the dataset
About 192 days separate London's last and first frost, putting it 20,247 of 40,283 ZIP codes nationally. Within KY, it ranks 443 of 909.
Learn more
Two guides worth reading on 40744: zone vs. frost date, on why Zone 7a and London's frost date answer different questions, and the frost range, on how to read the range around London's dates instead of trusting one.