Clay City, IN 47427 Frost Dates
When can you plant in Clay City, IN?
The last spring frost here typically falls around 04/20, about 235 days from today. The first fall frost typically arrives around 10/20, about 180 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Clay City, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Clay City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/20 isn't a guarantee
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Clay City compares
About 180 days separate Clay City's last and first frost, putting it 24,971 of 40,283 ZIP codes nationally. Within IN, it ranks 504 of 927.
Learn more
local microclimates covers what one yard in Clay City can differ from the 47427 normal. zone vs. frost date covers why Zone 6a and Clay City's frost date answer different questions.