Schenectady, NY 12309 Frost Dates
12309, near Schenectady, NY: the frost window
Typically, the last spring freeze lands around 04/27, roughly 242 days out. Fall's first freeze usually shows up around 10/15, roughly 169 days after the last spring frost.
Schenectady sits in USDA Zone 6a (-10 to -5°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
Schenectady's growing season runs out in roughly 7 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 Schenectady's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Schenectady against the rest of the dataset
Schenectady's growing season runs about 169 days, ranking 29,308 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 788 of 1,951.
Learn more
Two guides worth reading on 12309: zone vs. frost date, on why Zone 6a and Schenectady's frost date answer different questions, and the frost range, on how to read the range around Schenectady's dates instead of trusting one.