Ridott, IL 61067 Frost Dates
Ridott, IL: when does the frost end?
The last spring frost here typically falls around 04/26, about 241 days from today. Fall's first freeze usually shows up around 10/13, roughly 169 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ridott in Zone 5b (-15 to -10°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
With roughly 7 weeks until Ridott's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Ridott's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Ridott against the rest of the dataset
Ridott's growing season runs about 169 days, ranking 29,622 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 1,439 of 1,548.
Learn more
Before leaning on 61067's figures: local microclimates explains what one yard in Ridott can differ from the 61067 normal, while zone vs. frost date explains why Zone 5b and Ridott's frost date answer different questions.