Williamsville, NY 14241 Frost Dates
Williamsville, NY: when does the frost end?
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/26, roughly 183 days after the last spring frost.
Zone 6b (-5 to 0°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 Williamsville, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Williamsville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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
At roughly 183 frost-free days, Williamsville places 23,843 of 40,283 ZIP codes in this dataset. Within NY, it ranks 502 of 1,951.
Learn more
Before leaning on 14241's figures: zone vs. frost date explains why Zone 6b and Williamsville's frost date answer different questions, while the frost range explains how to read the range around Williamsville's dates instead of trusting one.