East Nassau, NY 12040 Frost Dates
East Nassau, NY: when does the frost end?
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/11, roughly 162 days after the last spring frost.
East Nassau sits in USDA Zone 5b (-15 to -10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 6 weeks until East Nassau'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
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/15 and only about 1 year in 10 sees frost after that.
East Nassau against the rest of the dataset
About 162 days separate East Nassau's last and first frost, putting it 31,838 of 40,283 ZIP codes nationally. Within NY, it ranks 1,034 of 1,951.
Learn more
Before leaning on 12040's figures: zone vs. frost date explains why Zone 5b and East Nassau's frost date answer different questions, while the frost range explains how to read the range around East Nassau's dates instead of trusting one.