Versailles, IL 62378 Frost Dates
62378, near Versailles, IL: the frost window
The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/15, roughly 179 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 Versailles, not a forecast for this year.
Stretching the season past the first frost
Versailles's growing season runs out in roughly 7 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 Versailles's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Versailles against the rest of the dataset
About 179 days separate Versailles's last and first frost, putting it 25,453 of 40,283 ZIP codes nationally. Within IL, it ranks 1,059 of 1,548.
Learn more
Two guides worth reading on 62378: the frost range, on how to read the range around Versailles's dates instead of trusting one, and local microclimates, on what one yard in Versailles can differ from the 62378 normal.