FrostDateCheck

Patchogue, NY 11742 Frost Dates

Frost dates for Patchogue, NY, ZIP 11742

Zone 7b

Typically, the last spring freeze lands around 04/10, roughly 225 days out. The first fall frost typically arrives around 11/02, about 207 frost-free days later.

The USDA Plant Hardiness Zone Map puts Patchogue in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 7b around Patchogue 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.

The actual range around Patchogue's last frost

04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Patchogue compares

Patchogue's growing season runs about 207 days, ranking 15,799 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 278 of 1,951.

Learn more

zone vs. frost date explains why Zone 7b and Patchogue's frost date answer different questions, and the frost range explains how to read the range around Patchogue's dates instead of trusting one.