Le Roy, NY 14557 Frost Dates
Le Roy, NY: when does the frost end?
Typically, the last spring freeze lands around 05/03, roughly 248 days out. Fall's first freeze usually shows up around 10/16, roughly 165 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Le Roy in Zone 6a (-10 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
With roughly 7 weeks until Le Roy's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Le Roy's last frost
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Le Roy against the rest of the dataset
About 165 days separate Le Roy's last and first frost, putting it 30,567 of 40,283 ZIP codes nationally. Within NY, it ranks 879 of 1,951.
Learn more
Before leaning on 14557's figures: the frost range explains how to read the range around Le Roy's dates instead of trusting one, while local microclimates explains what one yard in Le Roy can differ from the 14557 normal.