Hammondsport, NY 14874 Frost Dates
14874, near Hammondsport, NY: the frost window
Typically, the last spring freeze lands around 04/30, roughly 245 days out. Fall's first freeze usually shows up around 10/22, roughly 173 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hammondsport in Zone 6a (-10 to -5°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
Hammondsport's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Hammondsport's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Hammondsport against the rest of the dataset
At roughly 173 frost-free days, Hammondsport places 28,037 of 40,283 ZIP codes in this dataset. Within NY, it ranks 679 of 1,951.
Learn more
Two guides worth reading on 14874: local microclimates, on what one yard in Hammondsport can differ from the 14874 normal, and zone vs. frost date, on why Zone 6a and Hammondsport's frost date answer different questions.