Yonkers, NY 10703 Frost Dates
10703, near Yonkers, NY: the frost window
The last spring frost here typically falls around 04/20, about 235 days from today. Fall's first freeze usually shows up around 10/26, roughly 189 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Yonkers in Zone 7a (0 to 5°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
Yonkers'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.
How much risk comes with planting early here
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.
Yonkers against the rest of the dataset
At roughly 189 frost-free days, Yonkers places 21,360 of 40,283 ZIP codes in this dataset. Within NY, it ranks 377 of 1,951.
Learn more
Two guides worth reading on 10703: zone vs. frost date, on why Zone 7a and Yonkers's frost date answer different questions, and the frost range, on how to read the range around Yonkers's dates instead of trusting one.