Brownsville, KY 42729 Frost Dates
42729, near Brownsville, KY: the frost window
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 10/31, roughly 209 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 Brownsville, not a forecast for this year.
Stretching the season past the first frost
Brownsville'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 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Brownsville against the rest of the dataset
At roughly 209 frost-free days, Brownsville places 15,332 of 40,283 ZIP codes in this dataset. Within KY, it ranks 146 of 909.
Learn more
Two guides worth reading on 42729: local microclimates, on what one yard in Brownsville can differ from the 42729 normal, and zone vs. frost date, on why Zone 7a and Brownsville's frost date answer different questions.