Coatesville, IN 46121 Frost Dates
Frost dates for Coatesville, IN, ZIP 46121
The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/15, about 169 frost-free days later.
The USDA Plant Hardiness Zone Map puts Coatesville in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Coatesville 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.
The actual range around Coatesville's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Coatesville compares
At roughly 169 frost-free days, Coatesville places 29,557 of 40,283 ZIP codes in this dataset. Within IN, it ranks 821 of 927.
Learn more
the frost range explains how to read the range around Coatesville's dates instead of trusting one, and local microclimates explains what one yard in Coatesville can differ from the 46121 normal.