San Augustine, TX 75972 Frost Dates
Frost dates for San Augustine, TX, ZIP 75972
The last spring frost here typically falls around 03/18, about 202 days from today. The first fall frost typically arrives around 11/13, about 240 frost-free days later.
The USDA Plant Hardiness Zone Map puts San Augustine in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8b around San Augustine has about 11 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
03/18 is the middle of 30 years of NOAA records, not a promise. Plant by 02/26 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How San Augustine compares
San Augustine's growing season runs about 240 days, ranking 8,700 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,934 of 2,558.
Learn more
the frost range explains how to read the range around San Augustine's dates instead of trusting one, and local microclimates explains what one yard in San Augustine can differ from the 75972 normal.