FrostDateCheck

Millville, NJ 08321 Frost Dates

When can you plant in Millville, NJ?

Zone 7b

Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/23, about 181 frost-free days later.

Millville sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 8 weeks of growing season left in Millville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Millville's last frost

04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Millville compares

About 181 days separate Millville's last and first frost, putting it 24,454 of 40,283 ZIP codes nationally. Within NJ, it ranks 721 of 906.

Learn more

the frost range covers how to read the range around Millville's dates instead of trusting one. local microclimates covers what one yard in Millville can differ from the 08321 normal.