Saranac Lake, NY 12915 Frost Dates
Frost dates for Saranac Lake, NY, ZIP 12915
Around 06/02 is the usual last spring frost, about 278 days away. The first fall frost typically arrives around 09/09, about 97 frost-free days later.
Zone 4b (-25 to -20°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 Saranac Lake, not a forecast for this year.
What to do before the first frost
Zone 4b around Saranac Lake has about 2 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.
Why 06/02 isn't a guarantee
06/02 is the middle of 30 years of NOAA records, not a promise. Plant by 05/20 and you're betting against frost in roughly 9 years out of 10. 06/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Saranac Lake compares
About 97 days separate Saranac Lake's last and first frost, putting it 39,770 of 40,283 ZIP codes nationally. Within NY, it ranks 1,946 of 1,951.
Learn more
local microclimates explains what one yard in Saranac Lake can differ from the 12915 normal, and zone vs. frost date explains why Zone 4b and Saranac Lake's frost date answer different questions.