Jamestown, NY 14701 Frost Dates
When can you plant in Jamestown, NY?
Around 05/22 is the usual last spring frost, about 267 days away. The first fall frost typically arrives around 09/30, about 131 frost-free days later.
Jamestown 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
About 5 weeks of growing season left in Jamestown before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/22 is the middle of 30 years of NOAA records, not a promise. Plant by 05/06 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jamestown compares
About 131 days separate Jamestown's last and first frost, putting it 38,248 of 40,283 ZIP codes nationally. Within NY, it ranks 1,899 of 1,951.
Learn more
local microclimates covers what one yard in Jamestown can differ from the 14701 normal. zone vs. frost date covers why Zone 6a and Jamestown's frost date answer different questions.