FrostDateCheck

Brushton, NY 12957 Frost Dates

Frost dates for Brushton, NY, ZIP 12957

Zone 4b

Around 05/06 is the usual last spring frost, about 251 days away. 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

Brushton's growing season runs about 151 days, ranking 35,139 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,555 of 1,951.

Learn more

local microclimates explains what one yard in Brushton can differ from the 12957 normal, and zone vs. frost date explains why Zone 4b and Brushton's frost date answer different questions.