Trinity, NC 27370 Frost Dates
27370, near Trinity, NC: the frost window
Typically, the last spring freeze lands around 03/30, roughly 214 days out. Fall's first freeze usually shows up around 11/05, roughly 220 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Trinity in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Trinity's growing season runs out in roughly 10 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
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Trinity against the rest of the dataset
About 220 days separate Trinity's last and first frost, putting it 12,789 of 40,283 ZIP codes nationally. Within NC, it ranks 578 of 1,078.
Learn more
Two guides worth reading on 27370: the frost range, on how to read the range around Trinity's dates instead of trusting one, and local microclimates, on what one yard in Trinity can differ from the 27370 normal.