Minier, IL 61759 Frost Dates
Minier, IL: when does the frost end?
The last spring frost here typically falls around 04/21, about 236 days from today. Fall's first freeze usually shows up around 10/17, roughly 178 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Minier, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Minier's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Minier's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Minier against the rest of the dataset
At roughly 178 frost-free days, Minier places 25,808 of 40,283 ZIP codes in this dataset. Within IL, it ranks 1,088 of 1,548.
Learn more
Before leaning on 61759's figures: zone vs. frost date explains why Zone 6a and Minier's frost date answer different questions, while the frost range explains how to read the range around Minier's dates instead of trusting one.