New Hampton, MO 64471 Frost Dates
When can you plant in New Hampton, MO?
Around 04/17 is the usual last spring frost, about 232 days away. The first fall frost typically arrives around 10/21, about 185 frost-free days later.
New Hampton 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.
What to do before the first frost
About 8 weeks of growing season left in New Hampton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/17 isn't a guarantee
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Hampton compares
At roughly 185 frost-free days, New Hampton places 23,331 of 40,283 ZIP codes in this dataset. Within MO, it ranks 897 of 1,129.
Learn more
the frost range covers how to read the range around New Hampton's dates instead of trusting one. local microclimates covers what one yard in New Hampton can differ from the 64471 normal.