East Hampton, NY 11937 Frost Dates
11937, near East Hampton, NY: the frost window
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 10/24, roughly 182 days after the last spring frost.
East Hampton 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
East Hampton'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 East Hampton's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/08 and only about 1 year in 10 sees frost after that.
East Hampton against the rest of the dataset
At roughly 182 frost-free days, East Hampton places 24,197 of 40,283 ZIP codes in this dataset. Within NY, it ranks 529 of 1,951.
Learn more
Two guides worth reading on 11937: the frost range, on how to read the range around East Hampton's dates instead of trusting one, and local microclimates, on what one yard in East Hampton can differ from the 11937 normal.