North City, IL 62825 Frost Dates
62825, near North City, IL: the frost window
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 10/27, roughly 204 days after the last spring frost.
North City sits in USDA Zone 7a (0 to 5°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
North City'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.
How much risk comes with planting early here
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 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.
North City against the rest of the dataset
At roughly 204 frost-free days, North City places 16,716 of 40,283 ZIP codes in this dataset. Within IL, it ranks 136 of 1,548.
Learn more
Two guides worth reading on 62825: zone vs. frost date, on why Zone 7a and North City's frost date answer different questions, and the frost range, on how to read the range around North City's dates instead of trusting one.