Keene, KY 40513 Frost Dates
40513, near Keene, KY: the frost window
Around 04/13 is the usual last spring frost, about 228 days away. Fall's first freeze usually shows up around 10/28, roughly 196 days after the last spring frost.
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 Keene, not a forecast for this year.
Stretching the season past the first frost
Keene's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/13 isn't a guarantee
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/01 and only about 1 year in 10 sees frost after that.
Keene against the rest of the dataset
Keene's growing season runs about 196 days, ranking 19,115 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 388 of 909.
Learn more
Two guides worth reading on 40513: zone vs. frost date, on why Zone 7a and Keene's frost date answer different questions, and the frost range, on how to read the range around Keene's dates instead of trusting one.