Irvington, NY 10533 Frost Dates
Irvington, NY: when does the frost end?
Around 04/20 is the usual last spring frost, about 235 days away. Fall's first freeze usually shows up around 10/26, roughly 189 days after the last spring frost.
Zone 7a (0 to 5°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 Irvington, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Irvington'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
04/20 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.
Irvington against the rest of the dataset
At roughly 189 frost-free days, Irvington places 21,524 of 40,283 ZIP codes in this dataset. Within NY, it ranks 400 of 1,951.
Learn more
Before leaning on 10533's figures: local microclimates explains what one yard in Irvington can differ from the 10533 normal, while zone vs. frost date explains why Zone 7a and Irvington's frost date answer different questions.