South Bound Brook, NJ 08873 Frost Dates
Frost dates for South Bound Brook, NJ, ZIP 08873
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/20, about 172 frost-free days later.
The USDA Plant Hardiness Zone Map puts South Bound Brook in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7a around South Bound Brook has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How South Bound Brook compares
At roughly 172 frost-free days, South Bound Brook places 28,275 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 874 of 906.
Learn more
local microclimates explains what one yard in South Bound Brook can differ from the 08873 normal, and zone vs. frost date explains why Zone 7a and South Bound Brook's frost date answer different questions.