Campton Hills, IL 60147 Frost Dates
Frost dates for Campton Hills, IL, ZIP 60147
Typically, the last spring freeze lands around 04/28, roughly 243 days out. The first fall frost typically arrives around 10/13, about 166 frost-free days later.
Zone 5b (-15 to -10°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 Campton Hills, not a forecast for this year.
What to do before the first frost
Zone 5b around Campton Hills 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.
How much risk comes with planting early here
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 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 Campton Hills compares
About 166 days separate Campton Hills's last and first frost, putting it 30,313 of 40,283 ZIP codes nationally. Within IL, it ranks 1,470 of 1,548.
Learn more
local microclimates explains what one yard in Campton Hills can differ from the 60147 normal, and zone vs. frost date explains why Zone 5b and Campton Hills's frost date answer different questions.