Chateaugay, NY 12955 Frost Dates
12955, near Chateaugay, NY: the frost window
Typically, the last spring freeze lands around 05/06, roughly 251 days out. Fall's first freeze usually shows up around 10/11, roughly 157 days after the last spring frost.
Zone 4b (-25 to -20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Chateaugay, not a forecast for this year.
Stretching the season past the first frost
Chateaugay's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
Chateaugay against the rest of the dataset
About 157 days separate Chateaugay's last and first frost, putting it 33,403 of 40,283 ZIP codes nationally. Within NY, it ranks 1,253 of 1,951.
Learn more
Two guides worth reading on 12955: local microclimates, on what one yard in Chateaugay can differ from the 12955 normal, and zone vs. frost date, on why Zone 4b and Chateaugay's frost date answer different questions.