Clearmont, MO 64431 Frost Dates
64431, near Clearmont, MO: the frost window
Around 04/25 is the usual last spring frost, about 240 days away. Fall's first freeze usually shows up around 10/11, roughly 168 days after the last spring frost.
Clearmont sits in USDA Zone 5b (-15 to -10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Clearmont's growing season runs out in roughly 6 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 Clearmont's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Clearmont against the rest of the dataset
About 168 days separate Clearmont's last and first frost, putting it 29,806 of 40,283 ZIP codes nationally. Within MO, it ranks 1,113 of 1,129.
Learn more
Two guides worth reading on 64431: the frost range, on how to read the range around Clearmont's dates instead of trusting one, and local microclimates, on what one yard in Clearmont can differ from the 64431 normal.