Head of the Harbor, NY 11780 Frost Dates
11780, near Head of the Harbor, NY: the frost window
Around 04/10 is the usual last spring frost, about 225 days away. Fall's first freeze usually shows up around 11/02, roughly 207 days after the last spring frost.
Head of the Harbor sits in USDA Zone 7b (5 to 10°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
Head of the Harbor's growing season runs out in roughly 9 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 Head of the Harbor's last frost
04/10 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 04/25 and only about 1 year in 10 sees frost after that.
Head of the Harbor against the rest of the dataset
At roughly 207 frost-free days, Head of the Harbor places 15,843 of 40,283 ZIP codes in this dataset. Within NY, it ranks 292 of 1,951.
Learn more
Two guides worth reading on 11780: local microclimates, on what one yard in Head of the Harbor can differ from the 11780 normal, and zone vs. frost date, on why Zone 7b and Head of the Harbor's frost date answer different questions.