Palmyra, NJ 19135 Frost Dates
Palmyra, NJ: when does the frost end?
Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 10/31, roughly 199 days after the last spring frost.
Palmyra 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 9 weeks until Palmyra's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Palmyra's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/01 and only about 1 year in 10 sees frost after that.
Palmyra against the rest of the dataset
At roughly 199 frost-free days, Palmyra places 18,076 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 440 of 906.
Learn more
Before leaning on 19135's figures: local microclimates explains what one yard in Palmyra can differ from the 19135 normal, while zone vs. frost date explains why Zone 7b and Palmyra's frost date answer different questions.