Fairfax, SC 29827 Frost Dates
Fairfax, SC: when does the frost end?
Around 03/20 is the usual last spring frost, about 204 days away. Fall's first freeze usually shows up around 11/13, roughly 238 days after the last spring frost.
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 Fairfax, not a forecast for this year.
Stretching the season past the first frost
With roughly 11 weeks until Fairfax'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
03/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.
Fairfax against the rest of the dataset
At roughly 238 frost-free days, Fairfax places 8,993 of 40,283 ZIP codes in this dataset. Within SC, it ranks 224 of 519.
Learn more
Before leaning on 29827's figures: local microclimates explains what one yard in Fairfax can differ from the 29827 normal, while zone vs. frost date explains why Zone 8b and Fairfax's frost date answer different questions.