FrostDateCheck

Port Leyden, NY 13433 Frost Dates

When can you plant in Port Leyden, NY?

Zone 4b

The last spring frost here typically falls around 05/08, about 253 days from today. The first fall frost typically arrives around 10/01, about 145 frost-free days later.

Port Leyden sits in USDA Zone 4b (-25 to -20°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

About 5 weeks of growing season left in Port Leyden before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Port Leyden's last frost

05/08 is the middle of 30 years of NOAA records, not a promise. Plant by 04/26 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 Port Leyden compares

Port Leyden's growing season runs about 145 days, ranking 36,260 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,689 of 1,951.

Learn more

the frost range covers how to read the range around Port Leyden's dates instead of trusting one. local microclimates covers what one yard in Port Leyden can differ from the 13433 normal.