Fair Lawn, NJ 07410 Frost Dates
07410, near Fair Lawn, NJ: the frost window
Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 10/28, roughly 195 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Fair Lawn, not a forecast for this year.
Stretching the season past the first frost
Fair Lawn'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 Fair Lawn'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.
Fair Lawn against the rest of the dataset
At roughly 195 frost-free days, Fair Lawn places 19,190 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 492 of 906.
Learn more
Two guides worth reading on 07410: local microclimates, on what one yard in Fair Lawn can differ from the 07410 normal, and zone vs. frost date, on why Zone 7a and Fair Lawn's frost date answer different questions.