Sea Isle City, NJ 08230 Frost Dates
When can you plant in Sea Isle City, NJ?
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/22, about 181 frost-free days later.
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.
What to do before the first frost
About 8 weeks of growing season left in Sea Isle City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
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 Sea Isle City compares
Sea Isle City's growing season runs about 181 days, ranking 24,558 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 730 of 906.
Learn more
local microclimates covers what one yard in Sea Isle City can differ from the 08230 normal. zone vs. frost date covers why Zone 7b and Sea Isle City's frost date answer different questions.