Clayton, NJ 08312 Frost Dates
Frost dates for Clayton, NJ, ZIP 08312
Around 04/08 is the usual last spring frost, about 223 days away. The first fall frost typically arrives around 11/01, about 205 frost-free days later.
Zone 7b (5 to 10°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 Clayton, not a forecast for this year.
What to do before the first frost
Zone 7b around Clayton has about 9 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.
The actual range around Clayton's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Clayton compares
About 205 days separate Clayton's last and first frost, putting it 16,209 of 40,283 ZIP codes nationally. Within NJ, it ranks 363 of 906.
Learn more
local microclimates explains what one yard in Clayton can differ from the 08312 normal, and zone vs. frost date explains why Zone 7b and Clayton's frost date answer different questions.