FrostDateCheck

Hamilton, NY 13355 Frost Dates

When can you plant in Hamilton, NY?

Zone 5b

Typically, the last spring freeze lands around 05/13, roughly 258 days out. The first fall frost typically arrives around 10/04, about 145 frost-free days later.

Zone 5b (-15 to -10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Hamilton, not a forecast for this year.

What to do before the first frost

About 5 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

05/13 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Hamilton compares

At roughly 145 frost-free days, Hamilton places 36,188 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,654 of 1,951.

Learn more

the frost range covers how to read the range around Hamilton's dates instead of trusting one. local microclimates covers what one yard in Hamilton can differ from the 13355 normal.