Crothersville, IN 47270 Frost Dates
47270, near Crothersville, IN: the frost window
Typically, the last spring freeze lands around 04/18, roughly 233 days out. Fall's first freeze usually shows up around 10/20, roughly 185 days after the last spring frost.
Crothersville 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
Crothersville'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 Crothersville'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 05/03 and only about 1 year in 10 sees frost after that.
Crothersville against the rest of the dataset
At roughly 185 frost-free days, Crothersville places 23,211 of 40,283 ZIP codes in this dataset. Within IN, it ranks 380 of 927.
Learn more
Two guides worth reading on 47270: zone vs. frost date, on why Zone 6b and Crothersville's frost date answer different questions, and the frost range, on how to read the range around Crothersville's dates instead of trusting one.