Brownstown, IN 47235 Frost Dates
Brownstown, IN: when does the frost end?
Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/21, roughly 187 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Brownstown in Zone 6b (-5 to 0°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
With roughly 8 weeks until Brownstown's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Brownstown against the rest of the dataset
At roughly 187 frost-free days, Brownstown places 22,391 of 40,283 ZIP codes in this dataset. Within IN, it ranks 306 of 927.
Learn more
Before leaning on 47235's figures: local microclimates explains what one yard in Brownstown can differ from the 47235 normal, while zone vs. frost date explains why Zone 6b and Brownstown's frost date answer different questions.