Addison, NY 14820 Frost Dates
Frost dates for Addison, NY, ZIP 14820
The last spring frost here typically falls around 05/14, about 259 days from today. The first fall frost typically arrives around 10/05, about 144 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 Addison, not a forecast for this year.
What to do before the first frost
Zone 5b around Addison 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 Addison's last frost
05/14 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 Addison compares
Addison's growing season runs about 144 days, ranking 36,387 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,712 of 1,951.
Learn more
local microclimates explains what one yard in Addison can differ from the 14820 normal, and zone vs. frost date explains why Zone 5b and Addison's frost date answer different questions.