Jeffersonville, NY 12748 Frost Dates
12748, near Jeffersonville, NY: the frost window
Around 05/12 is the usual last spring frost, about 257 days away. Fall's first freeze usually shows up around 10/07, roughly 146 days after the last spring frost.
Jeffersonville 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
Jeffersonville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/12 isn't a guarantee
05/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Jeffersonville against the rest of the dataset
At roughly 146 frost-free days, Jeffersonville places 36,117 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,641 of 1,951.
Learn more
Two guides worth reading on 12748: local microclimates, on what one yard in Jeffersonville can differ from the 12748 normal, and zone vs. frost date, on why Zone 6a and Jeffersonville's frost date answer different questions.