Campton Hills, IL 60568 Frost Dates
Campton Hills, IL: when does the frost end?
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
With roughly 7 weeks until Campton Hills's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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
Campton Hills's growing season runs about 166 days, ranking 30,316 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 1,473 of 1,548.
Learn more
Before leaning on 60568's figures: local microclimates explains what one yard in Campton Hills can differ from the 60568 normal, while zone vs. frost date explains why Zone 5b and Campton Hills's frost date answer different questions.