Hornersville, MO 63855 Frost Dates
Frost dates for Hornersville, MO, ZIP 63855
The last spring frost here typically falls around 03/31, about 215 days from today. The first fall frost typically arrives around 11/01, about 215 frost-free days later.
Hornersville sits in USDA Zone 8a (10 to 15°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 8a around Hornersville has about 9 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 03/31 isn't a guarantee
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hornersville compares
About 215 days separate Hornersville's last and first frost, putting it 14,176 of 40,283 ZIP codes nationally. Within MO, it ranks 126 of 1,129.
Learn more
the frost range explains how to read the range around Hornersville's dates instead of trusting one, and local microclimates explains what one yard in Hornersville can differ from the 63855 normal.