FrostDateCheck

Madison, NJ 07935 Frost Dates

Madison, NJ: when does the frost end?

Zone 7a

The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/27, roughly 189 days after the last spring frost.

Madison sits in USDA Zone 7a (0 to 5°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.

Stretching the season past the first frost

With roughly 9 weeks until Madison's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Madison's last frost

04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/06 and only about 1 year in 10 sees frost after that.

Madison against the rest of the dataset

At roughly 189 frost-free days, Madison places 21,442 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 608 of 906.

Learn more

Before leaning on 07935's figures: the frost range explains how to read the range around Madison's dates instead of trusting one, while local microclimates explains what one yard in Madison can differ from the 07935 normal.