Oaktown, IN 47561 Frost Dates
47561, near Oaktown, IN: the frost window
Typically, the last spring freeze lands around 04/09, roughly 224 days out. Fall's first freeze usually shows up around 10/30, roughly 202 days after the last spring frost.
Oaktown 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
Oaktown'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.
Why 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Oaktown against the rest of the dataset
About 202 days separate Oaktown's last and first frost, putting it 17,330 of 40,283 ZIP codes nationally. Within IN, it ranks 89 of 927.
Learn more
Two guides worth reading on 47561: local microclimates, on what one yard in Oaktown can differ from the 47561 normal, and zone vs. frost date, on why Zone 6b and Oaktown's frost date answer different questions.