Deferiet, NY 13643 Frost Dates
Frost dates for Deferiet, NY, ZIP 13643
The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/13, about 163 frost-free days later.
Deferiet sits in USDA Zone 5a (-20 to -15°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.
What to do before the first frost
Zone 5a around Deferiet 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.
Why 05/02 isn't a guarantee
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Deferiet compares
Deferiet's growing season runs about 163 days, ranking 31,535 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,002 of 1,951.
Learn more
local microclimates explains what one yard in Deferiet can differ from the 13643 normal, and zone vs. frost date explains why Zone 5a and Deferiet's frost date answer different questions.