Jersey City, NJ 07097 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.
The USDA Plant Hardiness Zone Map puts Jersey City in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's 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.
The actual range around Jersey City's last frost
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
At roughly 216 frost-free days, Jersey City places 13,674 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 272 of 906.
Learn more
Before leaning on 07097's figures: zone vs. frost date explains why Zone 7b and Jersey City's frost date answer different questions, while the frost range explains how to read the range around Jersey City's dates instead of trusting one.