Unity Village, MO 64139 Frost Dates
64139, near Unity Village, MO: the frost window
Around 04/07 is the usual last spring frost, about 222 days away. Fall's first freeze usually shows up around 10/29, roughly 202 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 Unity Village, not a forecast for this year.
Stretching the season past the first frost
Unity Village's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Unity Village against the rest of the dataset
Unity Village's growing season runs about 202 days, ranking 17,398 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 362 of 1,129.
Learn more
Two guides worth reading on 64139: zone vs. frost date, on why Zone 6b and Unity Village's frost date answer different questions, and the frost range, on how to read the range around Unity Village's dates instead of trusting one.