Winnsboro, LA 71230 Frost Dates
71230, near Winnsboro, LA: the frost window
Typically, the last spring freeze lands around 03/07, roughly 191 days out. Fall's first freeze usually shows up around 11/13, roughly 252 days after the last spring frost.
Winnsboro sits in USDA Zone 8b (15 to 20°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
Winnsboro's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/07 isn't a guarantee
03/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/26 and only about 1 year in 10 sees frost after that.
Winnsboro against the rest of the dataset
About 252 days separate Winnsboro's last and first frost, putting it 7,229 of 40,283 ZIP codes nationally. Within LA, it ranks 584 of 710.
Learn more
Two guides worth reading on 71230: the frost range, on how to read the range around Winnsboro's dates instead of trusting one, and local microclimates, on what one yard in Winnsboro can differ from the 71230 normal.