FrostDateCheck

Manteo, NC 27943 Frost Dates

Frost dates for Manteo, NC, ZIP 27943

Zone 9a

Typically, the last spring freeze lands around 03/04, roughly 188 days out. The first fall frost typically arrives around 12/22, about 290 frost-free days later.

Manteo sits in USDA Zone 9a (20 to 25°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

Zone 9a around Manteo has about 17 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 Manteo's last frost

03/04 is the middle of 30 years of NOAA records, not a promise. Plant by 02/04 and you're betting against frost in roughly 9 years out of 10. 03/25 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Manteo compares

At roughly 290 frost-free days, Manteo places 4,531 of 40,283 ZIP codes in this dataset. Within NC, it ranks 7 of 1,078.

Learn more

zone vs. frost date explains why Zone 9a and Manteo's frost date answer different questions, and the frost range explains how to read the range around Manteo's dates instead of trusting one.