Penn Yan, NY 14527 Frost Dates
Frost dates for Penn Yan, NY, ZIP 14527
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/22, about 173 frost-free days later.
Penn Yan sits in USDA Zone 6a (-10 to -5°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 6a around Penn Yan has about 8 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 04/30 isn't a guarantee
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Penn Yan compares
Penn Yan's growing season runs about 173 days, ranking 27,873 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 650 of 1,951.
Learn more
local microclimates explains what one yard in Penn Yan can differ from the 14527 normal, and zone vs. frost date explains why Zone 6a and Penn Yan's frost date answer different questions.