Hewlett Bay Park, NY 11557 Frost Dates
11557, near Hewlett Bay Park, NY: the frost window
Around 04/07 is the usual last spring frost, about 222 days away. Fall's first freeze usually shows up around 11/08, roughly 212 days after the last spring frost.
Hewlett Bay Park 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
Hewlett Bay Park's growing season runs out in roughly 10 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 Hewlett Bay Park's last frost
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Hewlett Bay Park against the rest of the dataset
Hewlett Bay Park's growing season runs about 212 days, ranking 14,663 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 276 of 1,951.
Learn more
Two guides worth reading on 11557: the frost range, on how to read the range around Hewlett Bay Park's dates instead of trusting one, and local microclimates, on what one yard in Hewlett Bay Park can differ from the 11557 normal.