Cornwall-on-Hudson, NY 12553 Frost Dates
12553, near Cornwall-on-Hudson, NY: the frost window
Typically, the last spring freeze lands around 04/10, roughly 225 days out. Fall's first freeze usually shows up around 11/01, roughly 204 days after the last spring frost.
Cornwall-on-Hudson sits in USDA Zone 6b (-5 to 0°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
Cornwall-on-Hudson's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Cornwall-on-Hudson's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Cornwall-on-Hudson against the rest of the dataset
At roughly 204 frost-free days, Cornwall-on-Hudson places 16,608 of 40,283 ZIP codes in this dataset. Within NY, it ranks 308 of 1,951.
Learn more
Two guides worth reading on 12553: local microclimates, on what one yard in Cornwall-on-Hudson can differ from the 12553 normal, and zone vs. frost date, on why Zone 6b and Cornwall-on-Hudson's frost date answer different questions.