Fort Johnson, NY 12069 Frost Dates
Frost dates for Fort Johnson, NY, ZIP 12069
Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 10/07, about 153 frost-free days later.
Fort Johnson 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 Fort Johnson has about 6 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.
How much risk comes with planting early here
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fort Johnson compares
At roughly 153 frost-free days, Fort Johnson places 34,606 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,451 of 1,951.
Learn more
the frost range explains how to read the range around Fort Johnson's dates instead of trusting one, and local microclimates explains what one yard in Fort Johnson can differ from the 12069 normal.