Browns, IL 62818 Frost Dates
62818, near Browns, IL: the frost window
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 10/28, roughly 206 days after the last spring frost.
Browns 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
Browns's growing season runs out in roughly 9 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 Browns'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 04/20 and only about 1 year in 10 sees frost after that.
Browns against the rest of the dataset
Browns's growing season runs about 206 days, ranking 16,144 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 104 of 1,548.
Learn more
Two guides worth reading on 62818: local microclimates, on what one yard in Browns can differ from the 62818 normal, and zone vs. frost date, on why Zone 6b and Browns's frost date answer different questions.