Stamford, NY 12093 Frost Dates
Frost dates for Stamford, NY, ZIP 12093
Around 05/18 is the usual last spring frost, about 263 days away. The first fall frost typically arrives around 10/02, about 137 frost-free days later.
Stamford 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.
What to do before the first frost
Zone 5b around Stamford has about 5 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 05/18 isn't a guarantee
05/18 is the middle of 30 years of NOAA records, not a promise. Plant by 05/01 and you're betting against frost in roughly 9 years out of 10. 06/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Stamford compares
At roughly 137 frost-free days, Stamford places 37,529 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,809 of 1,951.
Learn more
the frost range explains how to read the range around Stamford's dates instead of trusting one, and local microclimates explains what one yard in Stamford can differ from the 12093 normal.