Mount Summit, IN 47361 Frost Dates
Mount Summit, IN: when does the frost end?
Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/17, roughly 173 days after the last spring frost.
Mount Summit 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 Mount Summit'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
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Mount Summit against the rest of the dataset
About 173 days separate Mount Summit's last and first frost, putting it 28,067 of 40,283 ZIP codes nationally. Within IN, it ranks 740 of 927.
Learn more
Before leaning on 47361's figures: local microclimates explains what one yard in Mount Summit can differ from the 47361 normal, while zone vs. frost date explains why Zone 6a and Mount Summit's frost date answer different questions.