Amity, MO 64422 Frost Dates
Frost dates for Amity, MO, ZIP 64422
Typically, the last spring freeze lands around 04/19, roughly 234 days out. The first fall frost typically arrives around 10/19, about 180 frost-free days later.
Amity 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.
What to do before the first frost
Zone 6a around Amity has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/19 isn't a guarantee
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Amity compares
Amity's growing season runs about 180 days, ranking 25,130 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 1,037 of 1,129.
Learn more
local microclimates explains what one yard in Amity can differ from the 64422 normal, and zone vs. frost date explains why Zone 6a and Amity's frost date answer different questions.