Middletown, MO 63359 Frost Dates
Middletown, MO: when does the frost end?
Around 04/11 is the usual last spring frost, about 226 days away. Fall's first freeze usually shows up around 10/23, roughly 192 days after the last spring frost.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Middletown, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Middletown's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/25 and only about 1 year in 10 sees frost after that.
Middletown against the rest of the dataset
At roughly 192 frost-free days, Middletown places 20,586 of 40,283 ZIP codes in this dataset. Within MO, it ranks 708 of 1,129.
Learn more
Before leaning on 63359's figures: local microclimates explains what one yard in Middletown can differ from the 63359 normal, while zone vs. frost date explains why Zone 6b and Middletown's frost date answer different questions.