Brewster, NY 10560 Frost Dates
10560, near Brewster, NY: the frost window
The last spring frost here typically falls around 05/01, about 246 days from today. Fall's first freeze usually shows up around 10/14, roughly 166 days after the last spring frost.
Zone 6b (-5 to 0°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 Brewster, not a forecast for this year.
Stretching the season past the first frost
Brewster's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/01 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 05/16 and only about 1 year in 10 sees frost after that.
Brewster against the rest of the dataset
About 166 days separate Brewster's last and first frost, putting it 30,380 of 40,283 ZIP codes nationally. Within NY, it ranks 873 of 1,951.
Learn more
Two guides worth reading on 10560: local microclimates, on what one yard in Brewster can differ from the 10560 normal, and zone vs. frost date, on why Zone 6b and Brewster's frost date answer different questions.