Haddonfield, NJ 08034 Frost Dates
08034, near Haddonfield, NJ: the frost window
Typically, the last spring freeze lands around 04/12, roughly 227 days out. Fall's first freeze usually shows up around 11/01, roughly 200 days after the last spring frost.
Haddonfield 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
Haddonfield's growing season runs out in roughly 9 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 Haddonfield's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Haddonfield against the rest of the dataset
At roughly 200 frost-free days, Haddonfield places 17,741 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 420 of 906.
Learn more
Two guides worth reading on 08034: the frost range, on how to read the range around Haddonfield's dates instead of trusting one, and local microclimates, on what one yard in Haddonfield can differ from the 08034 normal.