Millville, NJ 08316 Frost Dates
Frost dates for Millville, NJ, ZIP 08316
Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/22, about 181 frost-free days later.
The USDA Plant Hardiness Zone Map puts Millville 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 Millville 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
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Millville compares
Millville's growing season runs about 181 days, ranking 24,453 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 720 of 906.
Learn more
zone vs. frost date explains why Zone 7b and Millville's frost date answer different questions, and the frost range explains how to read the range around Millville's dates instead of trusting one.