Cornelius, NC 28688 Frost Dates
Cornelius, NC: when does the frost end?
Typically, the last spring freeze lands around 03/24, roughly 208 days out. Fall's first freeze usually shows up around 11/08, roughly 230 days after the last spring frost.
Cornelius 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.
Stretching the season past the first frost
With roughly 10 weeks until Cornelius's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
Cornelius against the rest of the dataset
Cornelius's growing season runs about 230 days, ranking 10,322 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 217 of 1,078.
Learn more
Before leaning on 28688's figures: the frost range explains how to read the range around Cornelius's dates instead of trusting one, while local microclimates explains what one yard in Cornelius can differ from the 28688 normal.