Westbury, NY 11801 Frost Dates
Westbury, NY: when does the frost end?
Around 04/02 is the usual last spring frost, about 217 days away. Fall's first freeze usually shows up around 11/12, roughly 224 days after the last spring frost.
Zone 7b (5 to 10°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 Westbury, not a forecast for this year.
Stretching the season past the first frost
With roughly 11 weeks until Westbury's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Westbury's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Westbury against the rest of the dataset
At roughly 224 frost-free days, Westbury places 11,778 of 40,283 ZIP codes in this dataset. Within NY, it ranks 158 of 1,951.
Learn more
Before leaning on 11801's figures: local microclimates explains what one yard in Westbury can differ from the 11801 normal, while zone vs. frost date explains why Zone 7b and Westbury's frost date answer different questions.