Hutsonville, IL 62478 Frost Dates
62478, near Hutsonville, IL: the frost window
Around 04/12 is the usual last spring frost, about 227 days away. Fall's first freeze usually shows up around 10/22, roughly 193 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hutsonville in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Hutsonville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Hutsonville's last frost
04/12 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.
Hutsonville against the rest of the dataset
About 193 days separate Hutsonville's last and first frost, putting it 20,054 of 40,283 ZIP codes nationally. Within IL, it ranks 410 of 1,548.
Learn more
Two guides worth reading on 62478: zone vs. frost date, on why Zone 6b and Hutsonville's frost date answer different questions, and the frost range, on how to read the range around Hutsonville's dates instead of trusting one.