Williamsville, NY 14225 Frost Dates
14225, near Williamsville, NY: the frost window
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/26, roughly 183 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Williamsville in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Williamsville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Williamsville's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Williamsville against the rest of the dataset
About 183 days separate Williamsville's last and first frost, putting it 23,841 of 40,283 ZIP codes nationally. Within NY, it ranks 500 of 1,951.
Learn more
Two guides worth reading on 14225: the frost range, on how to read the range around Williamsville's dates instead of trusting one, and local microclimates, on what one yard in Williamsville can differ from the 14225 normal.