Terre Haute, IN 47805 Frost Dates
Terre Haute, IN: when does the frost end?
Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 10/19, roughly 187 days after the last spring frost.
Terre Haute sits in USDA Zone 6a (-10 to -5°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
With roughly 7 weeks until Terre Haute'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
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 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.
Terre Haute against the rest of the dataset
About 187 days separate Terre Haute's last and first frost, putting it 22,275 of 40,283 ZIP codes nationally. Within IN, it ranks 294 of 927.
Learn more
Before leaning on 47805's figures: the frost range explains how to read the range around Terre Haute's dates instead of trusting one, while local microclimates explains what one yard in Terre Haute can differ from the 47805 normal.