FrostDateCheck

Williamsville, NY 14068 Frost Dates

Frost dates for Williamsville, NY, ZIP 14068

Zone 6b

Around 04/24 is the usual last spring frost, about 239 days away. The first fall frost typically arrives around 10/26, about 183 frost-free days later.

Williamsville sits in USDA Zone 6b (-5 to 0°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 6b around Williamsville has about 8 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.

The actual range around Williamsville's last frost

04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Williamsville compares

About 183 days separate Williamsville's last and first frost, putting it 23,839 of 40,283 ZIP codes nationally. Within NY, it ranks 498 of 1,951.

Learn more

the frost range explains how to read the range around Williamsville's dates instead of trusting one, and local microclimates explains what one yard in Williamsville can differ from the 14068 normal.