Caswell Beach, NC 28404 Frost Dates
Frost dates for Caswell Beach, NC, ZIP 28404
Around 03/24 is the usual last spring frost, about 208 days away. The first fall frost typically arrives around 11/17, about 239 frost-free days later.
Zone 8b (15 to 20°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 Caswell Beach, not a forecast for this year.
What to do before the first frost
Zone 8b around Caswell Beach has about 12 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Caswell Beach's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/01 and you're betting against frost in roughly 9 years out of 10. 04/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Caswell Beach compares
About 239 days separate Caswell Beach's last and first frost, putting it 8,882 of 40,283 ZIP codes nationally. Within NC, it ranks 93 of 1,078.
Learn more
the frost range explains how to read the range around Caswell Beach's dates instead of trusting one, and local microclimates explains what one yard in Caswell Beach can differ from the 28404 normal.