Kirksville, MO 63501 Frost Dates
Kirksville, MO: when does the frost end?
Around 04/21 is the usual last spring frost, about 236 days away. Fall's first freeze usually shows up around 10/19, roughly 179 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Kirksville 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
With roughly 7 weeks until Kirksville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Kirksville's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Kirksville against the rest of the dataset
About 179 days separate Kirksville's last and first frost, putting it 25,211 of 40,283 ZIP codes nationally. Within MO, it ranks 1,038 of 1,129.
Learn more
Before leaning on 63501's figures: local microclimates explains what one yard in Kirksville can differ from the 63501 normal, while zone vs. frost date explains why Zone 6a and Kirksville's frost date answer different questions.