Winnsboro, TX 75494 Frost Dates
Frost dates for Winnsboro, TX, ZIP 75494
Typically, the last spring freeze lands around 03/07, roughly 191 days out. The first fall frost typically arrives around 11/23, about 260 frost-free days later.
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 Winnsboro, not a forecast for this year.
What to do before the first frost
Zone 8b around Winnsboro has about 12 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/15 and you're betting against frost in roughly 9 years out of 10. 03/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winnsboro compares
About 260 days separate Winnsboro's last and first frost, putting it 6,479 of 40,283 ZIP codes nationally. Within TX, it ranks 1,329 of 2,558.
Learn more
the frost range explains how to read the range around Winnsboro's dates instead of trusting one, and local microclimates explains what one yard in Winnsboro can differ from the 75494 normal.