Millville, NJ 08315 Frost Dates
08315, near Millville, NJ: the frost window
The last spring frost here typically falls around 04/24, about 239 days from today. Fall's first freeze usually shows up around 10/23, roughly 181 days after the last spring frost.
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 Millville, not a forecast for this year.
Stretching the season past the first frost
Millville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Millville against the rest of the dataset
At roughly 181 frost-free days, Millville places 24,452 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 719 of 906.
Learn more
Two guides worth reading on 08315: local microclimates, on what one yard in Millville can differ from the 08315 normal, and zone vs. frost date, on why Zone 7b and Millville's frost date answer different questions.