Middlesborough, KY 37870 Frost Dates
37870, near Middlesborough, KY: the frost window
The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/24, roughly 187 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Middlesborough 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
Middlesborough'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 Middlesborough's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 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.
Middlesborough against the rest of the dataset
Middlesborough's growing season runs about 187 days, ranking 22,319 of 40,283 US ZIP codes measured here, longest to shortest. Within KY, it ranks 642 of 909.
Learn more
Two guides worth reading on 37870: local microclimates, on what one yard in Middlesborough can differ from the 37870 normal, and zone vs. frost date, on why Zone 7a and Middlesborough's frost date answer different questions.