Berlin, NJ 08018 Frost Dates
Berlin, NJ: when does the frost end?
Typically, the last spring freeze lands around 04/28, roughly 243 days out. Fall's first freeze usually shows up around 10/15, roughly 169 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Berlin in Zone 7a (0 to 5°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 7 weeks until Berlin's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Berlin's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Berlin against the rest of the dataset
At roughly 169 frost-free days, Berlin places 29,400 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 887 of 906.
Learn more
Before leaning on 08018's figures: the frost range explains how to read the range around Berlin's dates instead of trusting one, while local microclimates explains what one yard in Berlin can differ from the 08018 normal.