Rome, NY 13599 Frost Dates
13599, near Rome, 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 10/13, roughly 157 days after the last spring frost.
Rome 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
Rome'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.
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 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Rome against the rest of the dataset
At roughly 157 frost-free days, Rome places 33,218 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,213 of 1,951.
Learn more
Two guides worth reading on 13599: local microclimates, on what one yard in Rome can differ from the 13599 normal, and zone vs. frost date, on why Zone 5b and Rome's frost date answer different questions.