Campton Hills, IL 60144 Frost Dates
60144, near Campton Hills, IL: the frost window
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/13, roughly 166 days after the last spring frost.
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.
Stretching the season past the first frost
Campton Hills's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Campton Hills against the rest of the dataset
About 166 days separate Campton Hills's last and first frost, putting it 30,312 of 40,283 ZIP codes nationally. Within IL, it ranks 1,469 of 1,548.
Learn more
Two guides worth reading on 60144: the frost range, on how to read the range around Campton Hills's dates instead of trusting one, and local microclimates, on what one yard in Campton Hills can differ from the 60144 normal.