Jersey City, NJ 07303 Frost Dates
Jersey City, NJ: when does the frost end?
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 11/06, roughly 216 days after the last spring frost.
Jersey City sits in USDA Zone 7b (5 to 10°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.
Stretching the season past the first frost
With roughly 10 weeks until Jersey City's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Jersey City against the rest of the dataset
About 216 days separate Jersey City's last and first frost, putting it 13,676 of 40,283 ZIP codes nationally. Within NJ, it ranks 274 of 906.
Learn more
Before leaning on 07303's figures: local microclimates explains what one yard in Jersey City can differ from the 07303 normal, while zone vs. frost date explains why Zone 7b and Jersey City's frost date answer different questions.