Upper Brookville, NY 11732 Frost Dates
Upper Brookville, NY: when does the frost end?
Around 04/09 is the usual last spring frost, about 224 days away. Fall's first freeze usually shows up around 11/10, roughly 215 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Upper Brookville in Zone 7b (5 to 10°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
With roughly 11 weeks until Upper Brookville'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
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Upper Brookville against the rest of the dataset
Upper Brookville's growing season runs about 215 days, ranking 14,114 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 227 of 1,951.
Learn more
Before leaning on 11732's figures: zone vs. frost date explains why Zone 7b and Upper Brookville's frost date answer different questions, while the frost range explains how to read the range around Upper Brookville's dates instead of trusting one.