Altamont, NY 12107 Frost Dates
When can you plant in Altamont, NY?
The last spring frost here typically falls around 05/07, about 252 days from today. The first fall frost typically arrives around 10/07, about 153 frost-free days later.
Altamont 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
About 6 weeks of growing season left in Altamont before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/07 isn't a guarantee
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 Altamont compares
Altamont's growing season runs about 153 days, ranking 34,556 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,448 of 1,951.
Learn more
local microclimates covers what one yard in Altamont can differ from the 12107 normal. zone vs. frost date covers why Zone 5b and Altamont's frost date answer different questions.