Hammondsport, NY 14840 Frost Dates
Frost dates for Hammondsport, NY, ZIP 14840
Typically, the last spring freeze lands around 05/12, roughly 257 days out. The first fall frost typically arrives around 10/03, about 144 frost-free days later.
Zone 6a (-10 to -5°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 Hammondsport, not a forecast for this year.
What to do before the first frost
Zone 6a around Hammondsport has about 5 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.
The actual range around Hammondsport's last frost
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/28 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 Hammondsport compares
Hammondsport's growing season runs about 144 days, ranking 36,433 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,729 of 1,951.
Learn more
the frost range explains how to read the range around Hammondsport's dates instead of trusting one, and local microclimates explains what one yard in Hammondsport can differ from the 14840 normal.