FrostDateCheck

Spencerport, NY 14559 Frost Dates

Frost dates for Spencerport, NY, ZIP 14559

Zone 6b

Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/30, about 187 frost-free days later.

Zone 6b (-5 to 0°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 Spencerport, not a forecast for this year.

What to do before the first frost

Zone 6b around Spencerport has about 9 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.

How much risk comes with planting early here

04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Spencerport compares

Spencerport's growing season runs about 187 days, ranking 22,370 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 443 of 1,951.

Learn more

zone vs. frost date explains why Zone 6b and Spencerport's frost date answer different questions, and the frost range explains how to read the range around Spencerport's dates instead of trusting one.