Hammonton, NJ 08217 Frost Dates
Hammonton, NJ: when does the frost end?
Typically, the last spring freeze lands around 04/14, roughly 229 days out. Fall's first freeze usually shows up around 10/27, roughly 196 days after the last spring frost.
Hammonton sits in USDA Zone 7a (0 to 5°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 Hammonton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hammonton's last frost
04/14 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 04/27 and only about 1 year in 10 sees frost after that.
Hammonton against the rest of the dataset
About 196 days separate Hammonton's last and first frost, putting it 18,925 of 40,283 ZIP codes nationally. Within NJ, it ranks 452 of 906.
Learn more
Before leaning on 08217's figures: zone vs. frost date explains why Zone 7a and Hammonton's frost date answer different questions, while the frost range explains how to read the range around Hammonton's dates instead of trusting one.