Calumet Park, IL 60628 Frost Dates
Calumet Park, IL: when does the frost end?
The last spring frost here typically falls around 04/10, about 225 days from today. Fall's first freeze usually shows up around 11/01, roughly 203 days after the last spring frost.
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 Calumet Park, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Calumet Park'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
04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Calumet Park against the rest of the dataset
About 203 days separate Calumet Park's last and first frost, putting it 16,883 of 40,283 ZIP codes nationally. Within IL, it ranks 160 of 1,548.
Learn more
Before leaning on 60628's figures: the frost range explains how to read the range around Calumet Park's dates instead of trusting one, while local microclimates explains what one yard in Calumet Park can differ from the 60628 normal.