Thorntonville, TX 79756 Frost Dates
Frost dates for Thorntonville, TX, ZIP 79756
Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 11/06, about 216 frost-free days later.
Zone 8a (10 to 15°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 Thorntonville, not a forecast for this year.
What to do before the first frost
Zone 8a around Thorntonville has about 10 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.
The actual range around Thorntonville's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Thorntonville compares
At roughly 216 frost-free days, Thorntonville places 13,876 of 40,283 ZIP codes in this dataset. Within TX, it ranks 2,335 of 2,558.
Learn more
zone vs. frost date explains why Zone 8a and Thorntonville's frost date answer different questions, and the frost range explains how to read the range around Thorntonville's dates instead of trusting one.