Hillsdale, NJ 07676 Frost Dates
Frost dates for Hillsdale, NJ, ZIP 07676
Around 04/15 is the usual last spring frost, about 230 days away. The first fall frost typically arrives around 10/28, about 195 frost-free days later.
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 Hillsdale, not a forecast for this year.
What to do before the first frost
Zone 7a around Hillsdale 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.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hillsdale compares
At roughly 195 frost-free days, Hillsdale places 19,232 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 510 of 906.
Learn more
local microclimates explains what one yard in Hillsdale can differ from the 07676 normal, and zone vs. frost date explains why Zone 7a and Hillsdale's frost date answer different questions.