Hunter, NY 12450 Frost Dates
12450, near Hunter, NY: the frost window
Around 05/20 is the usual last spring frost, about 265 days away. Fall's first freeze usually shows up around 09/27, roughly 129 days after the last spring frost.
Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Hunter, not a forecast for this year.
Stretching the season past the first frost
Hunter's growing season runs out in roughly 4 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/20 isn't a guarantee
05/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/02 and only about 1 year in 10 sees frost after that.
Hunter against the rest of the dataset
At roughly 129 frost-free days, Hunter places 38,497 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,914 of 1,951.
Learn more
Two guides worth reading on 12450: zone vs. frost date, on why Zone 5b and Hunter's frost date answer different questions, and the frost range, on how to read the range around Hunter's dates instead of trusting one.