FrostDateCheck

Boonville, NY 13494 Frost Dates

Frost dates for Boonville, NY, ZIP 13494

Zone 4b

Typically, the last spring freeze lands around 05/18, roughly 263 days out. The first fall frost typically arrives around 09/30, about 134 frost-free days later.

Zone 4b (-25 to -20°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 Boonville, not a forecast for this year.

What to do before the first frost

Zone 4b around Boonville 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.

How much risk comes with planting early here

05/18 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/01 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Boonville compares

About 134 days separate Boonville's last and first frost, putting it 37,974 of 40,283 ZIP codes nationally. Within NY, it ranks 1,861 of 1,951.

Learn more

the frost range explains how to read the range around Boonville's dates instead of trusting one, and local microclimates explains what one yard in Boonville can differ from the 13494 normal.