Martin, KY 41607 Frost Dates
41607, near Martin, KY: the frost window
Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/23, roughly 183 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Martin in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Martin'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.
The actual range around Martin's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Martin against the rest of the dataset
At roughly 183 frost-free days, Martin places 23,986 of 40,283 ZIP codes in this dataset. Within KY, it ranks 745 of 909.
Learn more
Two guides worth reading on 41607: local microclimates, on what one yard in Martin can differ from the 41607 normal, and zone vs. frost date, on why Zone 7a and Martin's frost date answer different questions.