Waltonville, IL 62883 Frost Dates
62883, near Waltonville, IL: the frost window
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 10/27, roughly 204 days after the last spring frost.
Waltonville 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
Waltonville'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 Waltonville's last frost
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.
Waltonville against the rest of the dataset
At roughly 204 frost-free days, Waltonville places 16,734 of 40,283 ZIP codes in this dataset. Within IL, it ranks 140 of 1,548.
Learn more
Two guides worth reading on 62883: local microclimates, on what one yard in Waltonville can differ from the 62883 normal, and zone vs. frost date, on why Zone 6b and Waltonville's frost date answer different questions.