Le Roy, IL 61752 Frost Dates
Frost dates for Le Roy, IL, ZIP 61752
Around 04/25 is the usual last spring frost, about 240 days away. The first fall frost typically arrives around 10/16, about 172 frost-free days later.
The USDA Plant Hardiness Zone Map puts Le Roy 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 Le Roy 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 Le Roy's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Le Roy compares
At roughly 172 frost-free days, Le Roy places 28,293 of 40,283 ZIP codes in this dataset. Within IL, it ranks 1,341 of 1,548.
Learn more
zone vs. frost date explains why Zone 6a and Le Roy's frost date answer different questions, and the frost range explains how to read the range around Le Roy's dates instead of trusting one.