Sea Isle City, NJ 08248 Frost Dates
08248, near Sea Isle City, 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 10/22, roughly 181 days after the last spring frost.
Sea Isle City 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.
Stretching the season past the first frost
Sea Isle City'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 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Sea Isle City against the rest of the dataset
About 181 days separate Sea Isle City's last and first frost, putting it 24,561 of 40,283 ZIP codes nationally. Within NJ, it ranks 733 of 906.
Learn more
Two guides worth reading on 08248: the frost range, on how to read the range around Sea Isle City's dates instead of trusting one, and local microclimates, on what one yard in Sea Isle City can differ from the 08248 normal.