Frankfort, IN 46067 Frost Dates
46067, near Frankfort, IN: the frost window
Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/18, roughly 174 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Frankfort in Zone 6a (-10 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
Frankfort's growing season runs out in roughly 7 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 Frankfort's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Frankfort against the rest of the dataset
About 174 days separate Frankfort's last and first frost, putting it 27,381 of 40,283 ZIP codes nationally. Within IN, it ranks 654 of 927.
Learn more
Two guides worth reading on 46067: local microclimates, on what one yard in Frankfort can differ from the 46067 normal, and zone vs. frost date, on why Zone 6a and Frankfort's frost date answer different questions.