Chicago Last Frost Date 2024. Last frost date first frost date; The classification of freeze temperatures is based on their effect on plants:

May 8 (usually between april 28 and may 19) data source: Arlington heights, cook county, il.
For Tender Plants, Add Two Weeks To The Average Date In The Spring To Protect Against The Possibility Of Late Season Frost.
2024 first and last frost dates for places in illinois.
Click The Dots To See The Average Date On Which The Chance Of Freezing Temperatures Drops Below 50 Percent Across The United States, Based On The U.s.
On average, your last spring frost occurs on april 17 (at chicago northerly is, il climate station, elevation 583 feet).
Our Frost Date Calculator Will Tell You Precisely When Your Garden In Chicago, Illinois Is At Risk For Frost.
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For tender plants, add two weeks to the average date in the spring to protect against the possibility of late season frost.
See 2024 Frost Dates For Your Location.
Average date of last frost (spring) april 15:
A Frost Date Is The Average Date Of The Last Light Freeze In Spring Or The First Light Freeze In Fall.