Palacios, TX 77457 Frost Dates
Frost dates for Palacios, TX, ZIP 77457
Around 02/01 is the usual last spring frost, about 157 days away. The first fall frost typically arrives around 12/17, about 319 frost-free days later.
Palacios sits in USDA Zone 9b (25 to 30°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.
What to do before the first frost
Zone 9b around Palacios has about 16 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 Palacios's last frost
02/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/07 and you're betting against frost in roughly 9 years out of 10. 12/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Palacios compares
At roughly 319 frost-free days, Palacios places 3,322 of 40,283 ZIP codes in this dataset. Within TX, it ranks 223 of 2,558.
Learn more
zone vs. frost date explains why Zone 9b and Palacios's frost date answer different questions, and the frost range explains how to read the range around Palacios's dates instead of trusting one.