Duck, NC 27947 Frost Dates
27947, near Duck, NC: the frost window
The last spring frost here typically falls around 03/28, about 212 days from today. Fall's first freeze usually shows up around 11/12, roughly 230 days after the last spring frost.
Zone 9a (20 to 25°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 Duck, not a forecast for this year.
Stretching the season past the first frost
Duck's growing season runs out in roughly 11 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
03/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/11 and only about 1 year in 10 sees frost after that.
Duck against the rest of the dataset
Duck's growing season runs about 230 days, ranking 10,452 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 230 of 1,078.
Learn more
Two guides worth reading on 27947: local microclimates, on what one yard in Duck can differ from the 27947 normal, and zone vs. frost date, on why Zone 9a and Duck's frost date answer different questions.