Massena, NY 13649 Frost Dates
Frost dates for Massena, NY, ZIP 13649
Typically, the last spring freeze lands around 05/08, roughly 253 days out. The first fall frost typically arrives around 10/01, about 144 frost-free days later.
Massena sits in USDA Zone 5a (-20 to -15°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
Zone 5a around Massena 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 Massena's last frost
05/08 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. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Massena compares
At roughly 144 frost-free days, Massena places 36,345 of 40,283 ZIP codes in this dataset. Within NY, it ranks 1,696 of 1,951.
Learn more
local microclimates explains what one yard in Massena can differ from the 13649 normal, and zone vs. frost date explains why Zone 5a and Massena's frost date answer different questions.