Brewster, NY 10587 Frost Dates
Frost dates for Brewster, NY, ZIP 10587
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/17, about 172 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brewster in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around Brewster has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brewster compares
Brewster's growing season runs about 172 days, ranking 28,325 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 713 of 1,951.
Learn more
the frost range explains how to read the range around Brewster's dates instead of trusting one, and local microclimates explains what one yard in Brewster can differ from the 10587 normal.