Smithland, KY 42081 Frost Dates
Smithland, KY: when does the frost end?
Around 04/03 is the usual last spring frost, about 218 days away. Fall's first freeze usually shows up around 10/30, roughly 207 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Smithland 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
With roughly 9 weeks until Smithland's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Smithland's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Smithland against the rest of the dataset
About 207 days separate Smithland's last and first frost, putting it 15,881 of 40,283 ZIP codes nationally. Within KY, it ranks 184 of 909.
Learn more
Before leaning on 42081's figures: zone vs. frost date explains why Zone 7a and Smithland's frost date answer different questions, while the frost range explains how to read the range around Smithland's dates instead of trusting one.