Cicero, IN 46034 Frost Dates
46034, near Cicero, IN: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/23, roughly 186 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Cicero in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Cicero'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.
The actual range around Cicero's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 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.
Cicero against the rest of the dataset
About 186 days separate Cicero's last and first frost, putting it 22,772 of 40,283 ZIP codes nationally. Within IN, it ranks 326 of 927.
Learn more
Two guides worth reading on 46034: the frost range, on how to read the range around Cicero's dates instead of trusting one, and local microclimates, on what one yard in Cicero can differ from the 46034 normal.