FrostDateCheck

Barry, IL 62312 Frost Dates

62312, near Barry, IL: the frost window

Zone 6a

The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 11/04, roughly 212 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 Barry, not a forecast for this year.

Stretching the season past the first frost

Barry's growing season runs out in roughly 10 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 Barry's last frost

04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.

Barry against the rest of the dataset

At roughly 212 frost-free days, Barry places 14,628 of 40,283 ZIP codes in this dataset. Within IL, it ranks 28 of 1,548.

Learn more

Two guides worth reading on 62312: zone vs. frost date, on why Zone 6a and Barry's frost date answer different questions, and the frost range, on how to read the range around Barry's dates instead of trusting one.