New York, NY 11421 Frost Dates
Frost dates for New York, NY, ZIP 11421
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/14, about 226 frost-free days later.
Zone 7b (5 to 10°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 New York, not a forecast for this year.
What to do before the first frost
Zone 7b around New York has about 11 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
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New York compares
About 226 days separate New York's last and first frost, putting it 11,112 of 40,283 ZIP codes nationally. Within NY, it ranks 94 of 1,951.
Learn more
local microclimates explains what one yard in New York can differ from the 11421 normal, and zone vs. frost date explains why Zone 7b and New York's frost date answer different questions.