Ashley, IL 62808 Frost Dates
62808, near Ashley, IL: the frost window
The last spring frost here typically falls around 04/07, about 222 days from today. Fall's first freeze usually shows up around 10/26, roughly 201 days after the last spring frost.
Ashley 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
Ashley's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
Ashley against the rest of the dataset
Ashley's growing season runs about 201 days, ranking 17,636 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 261 of 1,548.
Learn more
Two guides worth reading on 62808: zone vs. frost date, on why Zone 6b and Ashley's frost date answer different questions, and the frost range, on how to read the range around Ashley's dates instead of trusting one.