Smyrna, NY 13758 Frost Dates
13758, near Smyrna, NY: the frost window
Typically, the last spring freeze lands around 05/13, roughly 258 days out. Fall's first freeze usually shows up around 10/04, roughly 142 days after the last spring frost.
Smyrna sits in USDA Zone 5b (-15 to -10°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
Smyrna'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
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/27 and only about 1 year in 10 sees frost after that.
Smyrna against the rest of the dataset
Smyrna's growing season runs about 142 days, ranking 36,827 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,774 of 1,951.
Learn more
Two guides worth reading on 13758: local microclimates, on what one yard in Smyrna can differ from the 13758 normal, and zone vs. frost date, on why Zone 5b and Smyrna's frost date answer different questions.