Hamilton, NY 13346 Frost Dates
When can you plant in Hamilton, NY?
Typically, the last spring freeze lands around 05/06, roughly 251 days out. The first fall frost typically arrives around 10/09, about 156 frost-free days later.
Hamilton 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 Hamilton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Hamilton's last frost
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hamilton compares
At roughly 156 frost-free days, Hamilton places 33,585 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,279 of 1,951.
Learn more
local microclimates covers what one yard in Hamilton can differ from the 13346 normal. zone vs. frost date covers why Zone 5b and Hamilton's frost date answer different questions.