Bement, IL 61813 Frost Dates
Bement, IL: when does the frost end?
Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/13, roughly 170 days after the last spring frost.
Bement sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 7 weeks until Bement's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Bement's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Bement against the rest of the dataset
About 170 days separate Bement's last and first frost, putting it 29,079 of 40,283 ZIP codes nationally. Within IL, it ranks 1,399 of 1,548.
Learn more
Before leaning on 61813's figures: zone vs. frost date explains why Zone 6a and Bement's frost date answer different questions, while the frost range explains how to read the range around Bement's dates instead of trusting one.