New Cambria, MO 63558 Frost Dates
63558, near New Cambria, MO: the frost window
Around 04/08 is the usual last spring frost, about 223 days away. Fall's first freeze usually shows up around 10/28, roughly 201 days after the last spring frost.
New Cambria sits in USDA Zone 6a (-10 to -5°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
New Cambria'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.
How much risk comes with planting early here
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 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.
New Cambria against the rest of the dataset
New Cambria's growing season runs about 201 days, ranking 17,675 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 381 of 1,129.
Learn more
Two guides worth reading on 63558: local microclimates, on what one yard in New Cambria can differ from the 63558 normal, and zone vs. frost date, on why Zone 6a and New Cambria's frost date answer different questions.