New Baden, IL 62265 Frost Dates
New Baden, IL: when does the frost end?
Around 04/12 is the usual last spring frost, about 227 days away. Fall's first freeze usually shows up around 10/20, roughly 189 days after the last spring frost.
New Baden sits in USDA Zone 6b (-5 to 0°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 8 weeks until New Baden's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around New Baden's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
New Baden against the rest of the dataset
New Baden's growing season runs about 189 days, ranking 21,577 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 604 of 1,548.
Learn more
Before leaning on 62265's figures: zone vs. frost date explains why Zone 6b and New Baden's frost date answer different questions, while the frost range explains how to read the range around New Baden's dates instead of trusting one.