Massena, NY 13655 Frost Dates
13655, near Massena, NY: the frost window
Typically, the last spring freeze lands around 05/08, roughly 253 days out. Fall's first freeze usually shows up around 10/01, roughly 144 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Massena in Zone 5a (-20 to -15°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
Massena's growing season runs out in roughly 5 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
05/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/23 and only about 1 year in 10 sees frost after that.
Massena against the rest of the dataset
At roughly 144 frost-free days, Massena places 36,346 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,697 of 1,951.
Learn more
Two guides worth reading on 13655: zone vs. frost date, on why Zone 5a and Massena's frost date answer different questions, and the frost range, on how to read the range around Massena's dates instead of trusting one.