Croghan, NY 13331 Frost Dates
Frost dates for Croghan, NY, ZIP 13331
The last spring frost here typically falls around 05/21, about 266 days from today. The first fall frost typically arrives around 09/24, about 127 frost-free days later.
Croghan sits in USDA Zone 4a (-30 to -25°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 4a around Croghan has about 4 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 05/21 isn't a guarantee
05/21 is the middle of 30 years of NOAA records, not a promise. Plant by 05/03 and you're betting against frost in roughly 9 years out of 10. 06/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Croghan compares
About 127 days separate Croghan's last and first frost, putting it 38,648 of 40,283 ZIP codes nationally. Within NY, it ranks 1,919 of 1,951.
Learn more
local microclimates explains what one yard in Croghan can differ from the 13331 normal, and zone vs. frost date explains why Zone 4a and Croghan's frost date answer different questions.