Norris, SC 29667 Frost Dates
Norris, SC: when does the frost end?
Around 03/21 is the usual last spring frost, about 205 days away. Fall's first freeze usually shows up around 11/11, roughly 236 days after the last spring frost.
Norris sits in USDA Zone 8a (10 to 15°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 11 weeks until Norris's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Norris's last frost
03/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/07 and only about 1 year in 10 sees frost after that.
Norris against the rest of the dataset
Norris's growing season runs about 236 days, ranking 9,500 of 40,283 US ZIP codes measured here, longest to shortest. Within SC, it ranks 262 of 519.
Learn more
Before leaning on 29667's figures: the frost range explains how to read the range around Norris's dates instead of trusting one, while local microclimates explains what one yard in Norris can differ from the 29667 normal.