Brownville, NY 13615 Frost Dates
Brownville, NY: when does the frost end?
Typically, the last spring freeze lands around 05/02, roughly 247 days out. Fall's first freeze usually shows up around 10/13, roughly 163 days after the last spring frost.
Brownville sits in USDA Zone 5a (-20 to -15°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 7 weeks until Brownville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Brownville's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Brownville against the rest of the dataset
Brownville's growing season runs about 163 days, ranking 31,471 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 980 of 1,951.
Learn more
Before leaning on 13615's figures: local microclimates explains what one yard in Brownville can differ from the 13615 normal, while zone vs. frost date explains why Zone 5a and Brownville's frost date answer different questions.