West New York, NJ 10103 Frost Dates
10103, near West New York, NJ: the frost window
Typically, the last spring freeze lands around 03/30, roughly 214 days out. Fall's first freeze usually shows up around 11/20, roughly 236 days after the last spring frost.
Zone 7b (5 to 10°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 West New York, not a forecast for this year.
Stretching the season past the first frost
West New York's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around West New York's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
West New York against the rest of the dataset
About 236 days separate West New York's last and first frost, putting it 9,285 of 40,283 ZIP codes nationally. Within NJ, it ranks 78 of 906.
Learn more
Two guides worth reading on 10103: local microclimates, on what one yard in West New York can differ from the 10103 normal, and zone vs. frost date, on why Zone 7b and West New York's frost date answer different questions.