Rumson, NJ 07760 Frost Dates
Frost dates for Rumson, NJ, ZIP 07760
Around 04/09 is the usual last spring frost, about 224 days away. The first fall frost typically arrives around 11/03, about 208 frost-free days later.
The USDA Plant Hardiness Zone Map puts Rumson in Zone 7b (5 to 10°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 7b around Rumson has about 10 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.
Why 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rumson compares
At roughly 208 frost-free days, Rumson places 15,571 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 319 of 906.
Learn more
local microclimates explains what one yard in Rumson can differ from the 07760 normal, and zone vs. frost date explains why Zone 7b and Rumson's frost date answer different questions.