Brushton, NY 12966 Frost Dates
Frost dates for Brushton, NY, ZIP 12966
Typically, the last spring freeze lands around 05/06, roughly 251 days out. The first fall frost typically arrives around 10/04, about 151 frost-free days later.
Brushton sits in USDA Zone 4b (-25 to -20°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 4b around Brushton has about 5 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 05/06 isn't a guarantee
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brushton compares
About 151 days separate Brushton's last and first frost, putting it 35,140 of 40,283 ZIP codes nationally. Within NY, it ranks 1,556 of 1,951.
Learn more
local microclimates explains what one yard in Brushton can differ from the 12966 normal, and zone vs. frost date explains why Zone 4b and Brushton's frost date answer different questions.